{"title":"Carbon Bike Rim","description":"\u003cp\u003e\u003cstrong\u003eBola Carbon Wheelset offers technically precise carbon bike rims engineered for riders and business partners seeking reliable, cost-effective performance across all cycling disciplines. Each rim is manufactured from proven Toray T700 and T800 carbon fiber, utilizing advanced layup technology and strict multi-stage QC for dependable strength, balanced stiffness, weight savings, and consistent quality. Our hand-built construction ensures enhanced structural stability, minimizing tolerance variation common in mass-produced alternatives and providing long-term performance for road, gravel, mountain, and folding bikes.\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eWe support B2C riders who need multi-scenario wheel solutions—balancing aerodynamics, lightweight efficiency, and ride comfort without the brand premium. Our B2B partners benefit from customizable options, differentiated weave choices, affordable OEM cooperation, and clear after-sales policies. All Bola rims are designed tubeless-ready to accommodate modern tire setups, with multiple depths, widths, and weave patterns (UD, 3K, 12K) tailored to your riding priorities—whether for competitive racing, all-terrain adventure, or high-mileage daily rides. \u003cbr\u003e\u003cbr\u003eFor every order, you receive verified material specs, pre-sales technical support, and a standardized global warranty. Discover a dependable upgrade to your bike’s performance and handling, backed by a brand committed to technical transparency and long-term rider trust.\u003c\/p\u003e\n\u003c!-- GFAI:COLLECTION_AUDIT_START v1 --\u003e\n\u003cdetails class=\"gfai-semantic-cluster\"\u003e\n  \u003csummary\u003eExplore our Carbon Bike Rim Buying Guide\u003c\/summary\u003e\n  \u003csection\u003e\n    \u003ch3\u003eCarbon Bike Rim\u003c\/h3\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eCarbon Fiber Grade\u003c\/dt\u003e\n      \u003cdd\u003eToray T700 · Toray T800\u003c\/dd\u003e\n      \u003cdt\u003eConstruction Method\u003c\/dt\u003e\n      \u003cdd\u003eHandmade layup · Auto QC inspection\u003c\/dd\u003e\n      \u003cdt\u003eRim Depth (mm)\u003c\/dt\u003e\n      \u003cdd\u003e23.5 · 24 · 25 · 30 · 50 · 60-65\u003c\/dd\u003e\n      \u003cdt\u003eInternal Width (mm)\u003c\/dt\u003e\n      \u003cdd\u003e22 · 23 · 25 · 31 · 35\u003c\/dd\u003e\n      \u003cdt\u003eRim Profile\u003c\/dt\u003e\n      \u003cdd\u003eSymmetrical · Asymmetrical\u003c\/dd\u003e\n      \u003cdt\u003eWeave Pattern\u003c\/dt\u003e\n      \u003cdd\u003eUD · 3K · 12K · Twill · Custom\u003c\/dd\u003e\n      \u003cdt\u003eTubeless Compatibility\u003c\/dt\u003e\n      \u003cdd\u003eTubeless ready\u003c\/dd\u003e\n      \u003cdt\u003eBrake Compatibility\u003c\/dt\u003e\n      \u003cdd\u003eDisc · Rim\u003c\/dd\u003e\n      \u003cdt\u003eBike Application\u003c\/dt\u003e\n      \u003cdd\u003eRoad · Gravel · MTB · Folding · BMX\u003c\/dd\u003e\n      \u003cdt\u003eWarranty\u003c\/dt\u003e\n      \u003cdd\u003e2-year global warranty\u003c\/dd\u003e\n    \u003c\/dl\u003e\n  \u003c\/section\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-collection-faq\"\u003e\n  \u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\n  \u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n    \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat should I consider when choosing carbon bike rims for different disciplines?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003ePrioritize rim width, depth, and profile for your riding style. For road cycling, shallower, lightweight rims (e.g., 25-30mm depth, 22-25mm width) balance speed and handling. For mountain biking, wider and deeper profiles (e.g., 31-35mm internal width) increase strength and tire support on technical terrain. Match brake and tubeless compatibility to your setup.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eHow do Toray T700 and T800 carbon fiber rims differ for durability and performance?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eT700 provides a robust, slightly more impact-resistant structure suitable for demanding terrain and heavier riders. T800 offers higher modulus for increased stiffness at lower weight, ideal for racers seeking responsive acceleration. Bola utilizes hybrid T700\/T800 layups to optimize both factors per rim model.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhich weave pattern should I choose for racing or everyday rides?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eUD (unidirectional) weaves deliver a streamlined aesthetic and are preferred for racing due to maximized strength-to-weight ratio. 3K and 12K patterns offer additional visual texture and subtle differences in lateral rigidity. For daily training, any weave achieves the required durability—choose based on visual preference and specific riding demands.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eAre handmade carbon bike rims worth the investment versus machine-made options?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eHandmade rims allow for tighter quality control and individualized layup adjustment, reducing the risk of internal voids and ensuring consistent resin distribution. This translates to predictable performance and reliable structural integrity, especially for specialty or custom orders.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat are the key features to compare when shopping for carbon bike rims on a budget?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eEvaluate material grade (look for Toray T700\/T800), tubeless compatibility, rim width\/depth for your intended tire size, warranty support, and manufacturer QC. Bola prioritizes accessible pricing without sacrificing proper QC, validated specs, or post-sales service—factors often lacking in budget alternatives.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eCan Bola carbon bike rims be customized for branding or performance needs?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eYes, Bola provides OEM\/ODM customization including rim dimensions, weave finish, color accents, and engraving to meet wholesale or brand requirements. Contact our sales team for technical consultation and project details.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What should I consider when choosing carbon bike rims for different disciplines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Prioritize rim width, depth, and profile for your riding style. For road cycling, shallower, lightweight rims (e.g., 25-30mm depth, 22-25mm width) balance speed and handling. For mountain biking, wider and deeper profiles (e.g., 31-35mm internal width) increase strength and tire support on technical terrain. Match brake and tubeless compatibility to your setup.\"}},{\"@type\":\"Question\",\"name\":\"How do Toray T700 and T800 carbon fiber rims differ for durability and performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"T700 provides a robust, slightly more impact-resistant structure suitable for demanding terrain and heavier riders. T800 offers higher modulus for increased stiffness at lower weight, ideal for racers seeking responsive acceleration. Bola utilizes hybrid T700\/T800 layups to optimize both factors per rim model.\"}},{\"@type\":\"Question\",\"name\":\"Which weave pattern should I choose for racing or everyday rides?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"UD (unidirectional) weaves deliver a streamlined aesthetic and are preferred for racing due to maximized strength-to-weight ratio. 3K and 12K patterns offer additional visual texture and subtle differences in lateral rigidity. For daily training, any weave achieves the required durability—choose based on visual preference and specific riding demands.\"}},{\"@type\":\"Question\",\"name\":\"Are handmade carbon bike rims worth the investment versus machine-made options?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Handmade rims allow for tighter quality control and individualized layup adjustment, reducing the risk of internal voids and ensuring consistent resin distribution. This translates to predictable performance and reliable structural integrity, especially for specialty or custom orders.\"}},{\"@type\":\"Question\",\"name\":\"What are the key features to compare when shopping for carbon bike rims on a budget?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Evaluate material grade (look for Toray T700\/T800), tubeless compatibility, rim width\/depth for your intended tire size, warranty support, and manufacturer QC. Bola prioritizes accessible pricing without sacrificing proper QC, validated specs, or post-sales service—factors often lacking in budget alternatives.\"}},{\"@type\":\"Question\",\"name\":\"Can Bola carbon bike rims be customized for branding or performance needs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Bola provides OEM\/ODM customization including rim dimensions, weave finish, color accents, and engraving to meet wholesale or brand requirements. Contact our sales team for technical consultation and project details.\"}}]}\u003c\/script\u003e\n\u003c!-- GFAI:COLLECTION_AUDIT_END --\u003e","products":[{"product_id":"60mm-tubular-carbon-rim-700c-25mm-wide-rim-brake-bola","title":"Bola 60mm Tubular Carbon Rim for Rim Brake, 700C, 25mm Wide, 460g","description":"\u003cp\u003eElevate your ride to professional standards with the Bola 60mm Tubular Carbon Rim. Designed for the dedicated road racer and performance enthusiast, this rim represents the perfect synergy between aerodynamic efficiency and lightweight agility. Whether you are sprinting for the finish line or maintaining a high-tempo pace on rolling terrain, these rims provide the stability and speed necessary to dominate the peloton.\u003c\/p\u003e\u003cp\u003eEngineered with a refined U-shape profile, the Bola rim effectively slices through the air while providing predictable handling in crosswinds. The 25mm width offers an improved interface for tubular tires, resulting in a lower rolling resistance and superior cornering grip when you lean into technical descents. At a mere 460g, this rim ensures rapid acceleration, allowing you to react instantly to attacks without sacrificing the structural integrity required for high-wattage efforts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Performance Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e60mm Aero Profile:\u003c\/strong\u003e Optimizes airflow for maximum speed, making it an ideal choice for time trials, triathlons, and criteriums.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUltra-Lightweight Construction:\u003c\/strong\u003e Weighing in at just 460g (±15g), it significantly reduces rotational mass for snappy climbs and explosive sprints.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003ePerformance-Driven 25mm Width:\u003c\/strong\u003e The modern wide profile enhances tire support and aerodynamic transition, delivering a smoother, faster ride.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRace-Proven Rim Brake Track:\u003c\/strong\u003e Precision-engineered for consistent, reliable stopping power in various racing conditions.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDurable Carbon Architecture:\u003c\/strong\u003e Expertly laid carbon fiber provides the lateral stiffness needed for precise steering and efficient power transfer.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you are looking to shave seconds off your personal best and demand equipment that performs as hard as you do, the Bola 60mm Tubular Carbon Rim is the upgrade your bike deserves. Experience the blend of cutting-edge aerodynamics and weight-saving engineering that transforms every pedal stroke into pure, efficient momentum.\u003c\/p\u003e\u003cp\u003eThe Bola 60mm Tubular Carbon Rim is a pre-preg carbon fiber tubular rim for competitive cyclists building rim-brake road wheels for racing and endurance riding. It is intended for riders seeking a race-focused wheel build who are prepared for the gluing and tire management required by a tubular system.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim depth:\u003c\/strong\u003e 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim size:\u003c\/strong\u003e 700C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter width:\u003c\/strong\u003e 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner width:\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim weight:\u003c\/strong\u003e 460g ±15g per rim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial and construction:\u003c\/strong\u003e Pre-preg carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire system:\u003c\/strong\u003e Tubular only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake compatibility:\u003c\/strong\u003e Rim brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eERD:\u003c\/strong\u003e 520mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum rider weight:\u003c\/strong\u003e 100kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire pressure range:\u003c\/strong\u003e 100 to 125 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested strength:\u003c\/strong\u003e Forward compressive strength \u0026gt;300kg, lateral torsion resistance \u0026gt;50kg, and spoke hole tension \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing tolerances:\u003c\/strong\u003e \u0026lt;0.3mm roundness, \u0026lt;0.15mm flatness, and \u0026lt;3g dynamic balance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow it Compares\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThis Product\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003ctd\u003eProvides aerodynamic advantages for road racing and reduced wind resistance at speed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (per rim)\u003c\/td\u003e\n\u003ctd\u003e460g ±15g\u003c\/td\u003e\n\u003ctd\u003eLower rotational mass improves acceleration and climbing for competitive cyclists.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003eOptimizes compatibility with wider tubular tires for better handling and aerodynamic pairing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire System\u003c\/td\u003e\n\u003ctd\u003eTubular only\u003c\/td\u003e\n\u003ctd\u003eSupports high-pressure tire setups preferred in certain race conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Compatibility\u003c\/td\u003e\n\u003ctd\u003eRim brake\u003c\/td\u003e\n\u003ctd\u003eDesigned for traditional rim brake systems used in many competitive road bikes.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePre-preg carbon fiber\u003c\/td\u003e\n\u003ctd\u003eOffers strength-to-weight efficiency and stiffness for demanding race applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003ctd\u003eSuitable for a wide range of riders, supporting stability and safety in high-performance use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuilding a 700C rim-brake road wheel for competitive road races.\u003c\/li\u003e\n\u003cli\u003ePlanning a custom tubular wheel build using a 520mm ERD rim.\u003c\/li\u003e\n\u003cli\u003eSetting up a road bike for race-day riding with tubular tires inflated within the stated 100 to 125 psi range.\u003c\/li\u003e\n\u003cli\u003ePreparing a deep-profile road wheel build for endurance events where riders want a tubular-specific setup.\u003c\/li\u003e\n\u003cli\u003eReplacing a rim in an existing tubular, rim-brake road wheel build after confirming required build measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat should I look for in a lightweight carbon rim for road racing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eLook at rim weight, depth, and width together, since these determine acceleration, climbing, and aerodynamic behavior as a set. This rim comes in at 460g (±15g) with a 60mm depth and 25mm outer width, a combination suited to riders prioritizing low rotational mass alongside aero gains.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs this rim a good choice for aerodynamic performance on tubular tires?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the 60mm depth and U-shape profile are designed for aerodynamic riding, and the 25mm outer width pairs well with 23 to 28mm tubular tires for smoother airflow. It supports tire pressures up to 125 psi, which suits aggressive race setups.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eDoes this rim balance speed and handling for endurance events, not just short races?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe 60mm depth and 460g weight target a stiffness-to-weight balance suited to both racing and endurance riding. Structural testing includes forward compressive strength above 300kg and lateral torsion resistance above 50kg, supporting stable handling over long distances.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs this rim suitable for a rim brake road bike, or do I need disc brakes?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis rim is built specifically for rim brake road bikes and is not intended for disc brake wheel builds. It is a tubular-only design in the 700C standard, so it requires tubular tires rather than clinchers or tubeless setups.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat should custom wheel builders know before using this rim?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe rim has an ERD of 520mm, an inner width of 18mm, and a max rider weight rating of 100kg, all of which affect spoke length calculations and rider suitability. Spoke hole tension is verified above 280kg, and dynamic balance tolerance is under 3g, useful specs for building a properly tensioned wheel.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs a tubular rim still a practical choice compared to a clincher for competitive riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTubular rims remain popular among professional teams for low system weight and ride feel in certain race conditions, though they require dedicated gluing and tire management that clinchers don't. This tradeoff is worth considering based on how much time you're willing to spend on tire prep versus race-day performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Bola 60mm Tubular Carbon Rim for Rim Brake, 700C, 25mm Wide, 460g\",\n  \"description\": \"Elevate your ride to professional standards with the Bola 60mm Tubular Carbon Rim. Designed for the dedicated road racer and performance enthusiast, this rim represents the perfect synergy between aerodynamic efficiency and lightweight agility. Whether you are sprinting for the finish line or maintaining a high-tempo pace on rolling terrain, these rims provide the stability and speed necessary to dominate the peloton. Engineered with a refined U-shape profile, the Bola rim effectively slices through the air while providing predictable handling in crosswinds. The 25mm width offers an improved interface for tubular tires, resulting in a lower rolling resistance and superior cornering grip when you lean into technical descents. At a mere 460g, this rim ensures rapid acceleration, allowing you to react instantly to attacks without sacrificing the structural integrity required for high-wattage efforts. Key Performance Features: 60mm Aero Profile: Optimizes airflow for maximum speed, making it an ideal choice for time trials, triathlons, and criteriums. Ultra-Lightweight Construction: Weighing in at just 460g (±15g), it significantly reduces rotational mass for snappy climbs and explosive sprints. Performance-Driven 25mm Width: The modern wide profile enhances tire support and aerodynamic transition, delivering a smoother, faster ride. Race-Proven Rim Brake Track: Precision-engineered for consistent, reliable stopping power in various racing conditions. Durable Carbon Architecture: Expertly laid carbon fiber provides the lateral stiffness needed for precise steering and efficient power transfer. If you are looking to shave seconds off your personal best and demand equipment that performs as hard as you do, the Bola 60mm Tubular Carbon Rim is the upgrade your bike deserves. Experience the blend of cutting-edge aerodynamics and weight-saving engineering that transforms every pedal stroke into pure, efficient momentum. The Bola 60mm Tubular Carbon Rim is a pre-preg carbon fiber tubular rim for competitive cyclists building rim-brake road wheels for racing and endurance riding. It is intended for riders seeking a race-focused wheel build who are prepared for the gluing and tire management required by a tubular system. Key Features \u0026amp; Specs Rim depth: 60mm Rim size: 700C Outer width: 25mm Inner width: 18mm Rim weight: 460g ±15g per rim Material and construction: Pre-preg carbon fiber Tire system: Tubular only Brake compatibility: Rim brake ERD: 520mm Maximum rider weight: 100kg Tire pressure range: 100 to 125 psi Tested strength: Forward compressive strength \u0026gt;300kg, lateral torsion resistance \u0026gt;50kg, and spoke hole tension \u0026gt;280kg Manufacturing tolerances: \u0026lt;0.3mm roundness, \u0026lt;0.15mm flatness, and \u0026lt;3g dynamic balance How it Compares Feature This Product Why It Matters Rim Depth 60mm Provides aerodynamic advantages for road racing and reduced wind resistance at speed. Weight (per rim) 460g ±15g Lower rotational mass improves acceleration and climbing for competitive cyclists. Outer Width 25mm Optimizes compatibility with wider tubular tires for better handling and aerodynamic pairing. Tire System Tubular only Supports high-pressure tire setups preferred in certain race conditions. Brake Compatibility Rim brake Designed for traditional rim brake systems used in many competitive road bikes. Material Pre-preg carbon fiber Offers strength-to-weight efficiency and stiffness for demanding race applications. Max Rider Weight 100kg Suitable for a wide range of riders, supporting stability and safety in high-performance use. Recommended Use Cases Building a 700C rim-brake road wheel for competitive road races. Planning a custom tubular wheel build using a 520mm ERD rim. Setting up a road bike for race-day riding with tubular tires inflated within the stated 100 to 125 psi range. Preparing a deep-profile road wheel build for endurance events where riders want a tubular-specific setup. Replacing a rim in an existing tubular, rim-brake road wheel build after confirming required build measurements. Frequently Asked Questions What should I look for in a lightweight carbon rim for road racing? Look at rim weight, depth, and width together, since these determine acceleration, climbing, and aerodynamic behavior as a set. This rim comes in at 460g (±15g) with a 60mm depth and 25mm outer width, a combination suited to riders prioritizing low rotational mass alongside aero gains. Is this rim a good choice for aerodynamic performance on tubular tires? Yes, the 60mm depth and U-shape profile are designed for aerodynamic riding, and the 25mm outer width pairs well with 23 to 28mm tubular tires for smoother airflow. It supports tire pressures up to 125 psi, which suits aggressive race setups. Does this rim balance speed and handling for endurance events, not just short races? The 60mm depth and 460g weight target a stiffness-to-weight balance suited to both racing and endurance riding. Structural testing includes forward compressive strength above 300kg and lateral torsion resistance above 50kg, supporting stable handling over long distances. Is this rim suitable for a rim brake road bike, or do I need disc brakes? This rim is built specifically for rim brake road bikes and is not intended for disc brake wheel builds. It is a tubular-only design in the 700C standard, so it requires tubular tires rather than clinchers or tubeless setups. What should custom wheel builders know before using this rim? The rim has an ERD of 520mm, an inner width of 18mm, and a max rider weight rating of 100kg, all of which affect spoke length calculations and rider suitability. Spoke hole tension is verified above 280kg, and dynamic balance tolerance is under 3g, useful specs for building a properly tensioned wheel. Is a tubular rim still a practical choice compared to a clincher for competitive riding? Tubular rims remain popular among professional teams for low system weight and ride feel in certain race conditions, though they require dedicated gluing and tire management that clinchers don't. 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Valve, spoke, assembly-hole, and nipple-angle specifications can be customized on request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRider weight limit:\u003c\/strong\u003e Maximum rider weight of 120 kg, 264 lb.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasured tolerances:\u003c\/strong\u003e Dynamic equilibrium under 3 g, flatness tolerance under 0.15 mm, and roundness tolerance under 0.3 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural test data:\u003c\/strong\u003e Forward compressive strength over 300 kg, lateral torsion resistance over 50 kg, and spoke-hole tension rating over 280 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Three-year manufacturer's warranty for structural defects under normal riding conditions, excluding crash damage and use outside stated weight or pressure limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow it Compares\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThis Product\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth \/ Width\u003c\/td\u003e\n\u003ctd\u003e50mm deep, 28mm wide\u003c\/td\u003e\n\u003ctd\u003eDelivers aerodynamic advantage and tire profile optimization for road racing and endurance riding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHooked \u0026amp; Hookless Options\u003c\/td\u003e\n\u003ctd\u003eHooked (21mm inner) and hookless (23mm inner) available\u003c\/td\u003e\n\u003ctd\u003eEnables precise matching to tire type and pressure needs for performance and safety benefits.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Grades\u003c\/td\u003e\n\u003ctd\u003e370g–470g per rim (four selectable options)\u003c\/td\u003e\n\u003ctd\u003eRiders can prioritize lightweight climbing, all-round racing, or maximum durability for training and heavy use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Certification\u003c\/td\u003e\n\u003ctd\u003eCompliant with ETRTO 2023 tubeless standards\u003c\/td\u003e\n\u003ctd\u003eSupports reliable and standardized fitment for modern tubeless road setups.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Tire Pressure\u003c\/td\u003e\n\u003ctd\u003eUp to 125 psi (hooked), 72–87 psi (hookless)\u003c\/td\u003e\n\u003ctd\u003eEnsures compatibility with a range of tire constructions for both speed and comfort.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003eUp to 120 kg (264 lb)\u003c\/td\u003e\n\u003ctd\u003eAccommodates heavier riders and those carrying additional gear without compromising structural integrity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eThree-year manufacturer's warranty\u003c\/td\u003e\n\u003ctd\u003eProvides buyer confidence in long-term structural reliability and quality.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRoad racing builds where a 50 mm aerodynamic rim profile is desired with 28c to 32c tires.\u003c\/li\u003e\n\u003cli\u003eGran fondo and endurance rides for cyclists choosing the 23 mm hookless internal width with compatible wider tires and lower pressures.\u003c\/li\u003e\n\u003cli\u003eLightweight climbing-focused wheel builds using the 390 g Ultra Light or 370 g Extreme Light rim options.\u003c\/li\u003e\n\u003cli\u003eTraining or rougher-road builds where the 470 g Standard layup offers greater impact resistance.\u003c\/li\u003e\n\u003cli\u003eRoad-bike upgrades for riders who want a tubeless-ready 700c rim and a choice between hooked and hookless tire interfaces.\u003c\/li\u003e\n\u003cli\u003eCustom wheel builds requiring specified valve, spoke, assembly-hole, or nipple-angle dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs the Bola 700c Carbon Tubeless Road Rim a good choice for better aerodynamics and comfort on long rides?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the Bola 700c Carbon Tubeless Road Rim is designed for road racing, gran fondo, and endurance riding, with a 50 mm U-shape profile and 28 mm outer width for aerodynamic tire integration. Its 21 mm hooked and 23 mm hookless internal-width options support wider tire setups that can add air volume for ride compliance.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eCan I use the Bola 700c Carbon Tubeless Road Rim for a lightweight endurance or gran fondo wheel build?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the Bola 700c Carbon Tubeless Road Rim is available from 470 ± 15 g down to 370 ± 10 g per rim, allowing a build to prioritize durability or lower rotating mass. The 430 ± 15 g Super Light grade is intended for all-round racing, while the 390 ± 10 g Ultra Light and 370 ± 10 g Extreme Light grades are intended for climbing and weight-focused race builds.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs this rim suitable for upgrading a road bike for speed and stability with wider tires?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the Bola 700c Carbon Tubeless Road Rim has a 28 mm outer width and supports 25c to 32c tires in its stated configurations. The 21 mm hooked version is optimized for 25c to 32c tires, while the 23 mm hookless version is best matched to 28c to 35c tires for an aerodynamically flush profile.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat should I consider when choosing this rim for my road tire setup?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eChoose the configuration that matches your tires and intended pressure: the 21 mm hooked option is compatible with clincher and tubeless road tires, while the 23 mm hookless option requires ETRTO-approved hookless-compatible tires. 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Weight options: Standard, 470 ± 15 g; Super Light, 430 ± 15 g; Ultra Light, 390 ± 10 g; Extreme Light, 370 ± 10 g per rim. Tire compatibility: The hooked version is optimized for 25c to 32c tires; the hookless version is best matched to 28c to 35c ETRTO-approved hookless-compatible tires. Pressure limit: Maximum 125 psi for the hooked configuration; compatible hookless tires are recommended at 72 to 87 psi. Tubeless construction: Tubeless-ready rim bed that does not require conversion tape. Build dimensions: 540 mm ERD, 6.5 mm valve hole, 4.5 mm spoke hole, and 7.5 mm assembly hole. Valve, spoke, assembly-hole, and nipple-angle specifications can be customized on request. Rider weight limit: Maximum rider weight of 120 kg, 264 lb. Measured tolerances: Dynamic equilibrium under 3 g, flatness tolerance under 0.15 mm, and roundness tolerance under 0.3 mm. Structural test data: Forward compressive strength over 300 kg, lateral torsion resistance over 50 kg, and spoke-hole tension rating over 280 kg. Warranty: Three-year manufacturer's warranty for structural defects under normal riding conditions, excluding crash damage and use outside stated weight or pressure limits. How it Compares Feature This Product Why It Matters Rim Depth \/ Width 50mm deep, 28mm wide Delivers aerodynamic advantage and tire profile optimization for road racing and endurance riding. Hooked \u0026amp; Hookless Options Hooked (21mm inner) and hookless (23mm inner) available Enables precise matching to tire type and pressure needs for performance and safety benefits. Weight Grades 370g–470g per rim (four selectable options) Riders can prioritize lightweight climbing, all-round racing, or maximum durability for training and heavy use. Tubeless Certification Compliant with ETRTO 2023 tubeless standards Supports reliable and standardized fitment for modern tubeless road setups. Maximum Tire Pressure Up to 125 psi (hooked), 72–87 psi (hookless) Ensures compatibility with a range of tire constructions for both speed and comfort. Rider Weight Limit Up to 120 kg (264 lb) Accommodates heavier riders and those carrying additional gear without compromising structural integrity. Warranty Three-year manufacturer's warranty Provides buyer confidence in long-term structural reliability and quality. Recommended Use Cases Road racing builds where a 50 mm aerodynamic rim profile is desired with 28c to 32c tires. Gran fondo and endurance rides for cyclists choosing the 23 mm hookless internal width with compatible wider tires and lower pressures. Lightweight climbing-focused wheel builds using the 390 g Ultra Light or 370 g Extreme Light rim options. Training or rougher-road builds where the 470 g Standard layup offers greater impact resistance. Road-bike upgrades for riders who want a tubeless-ready 700c rim and a choice between hooked and hookless tire interfaces. Custom wheel builds requiring specified valve, spoke, assembly-hole, or nipple-angle dimensions. Frequently Asked Questions Is the Bola 700c Carbon Tubeless Road Rim a good choice for better aerodynamics and comfort on long rides? Yes, the Bola 700c Carbon Tubeless Road Rim is designed for road racing, gran fondo, and endurance riding, with a 50 mm U-shape profile and 28 mm outer width for aerodynamic tire integration. Its 21 mm hooked and 23 mm hookless internal-width options support wider tire setups that can add air volume for ride compliance. Can I use the Bola 700c Carbon Tubeless Road Rim for a lightweight endurance or gran fondo wheel build? 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Rim\u003c\/td\u003e\n\u003ctd\u003eDisc (some only), rim (some only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBead Type\u003c\/td\u003e\n\u003ctd\u003eHooked\/Hookless\u003c\/td\u003e\n\u003ctd\u003eHooked\/hookless (not always both)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eISO 622, ETRTO\u003c\/td\u003e\n\u003ctd\u003eISO, ETRTO (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003ctd\u003e2–3 years (varies)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003eCompetitive, factory-direct\u003c\/td\u003e\n\u003ctd\u003eHigh (premium); variable (OEM\/DT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e*Performance model summarization based on DT Swiss, CADEX, and leading Chinese OEM competitors.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade for lightweight and aerodynamic road bike wheelsets\u003c\/li\u003e\n\u003cli\u003eEndurance and long-distance riding with stability and comfort\u003c\/li\u003e\n\u003cli\u003eCustom wheel builds for amateur racing, triathlons, and gravel cycling\u003c\/li\u003e\n\u003cli\u003eOEM and aftermarket wheel projects for disc or rim brake bikes\u003c\/li\u003e\n\u003cli\u003eB2B: Wheel suppliers and workshops seeking ISO-certified, cost-effective carbon rims\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat advantages does an asymmetric carbon rim offer for road and gravel cycling?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe asymmetric profile helps equalize left\/right spoke tensions, resulting in improved lateral stiffness and wheel durability, especially important for disc brake and high-load endurance applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this rim suitable for both tubeless and tube-type tires?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, Bola 700c 45mm asymmetric carbon rims are tubeless-ready according to ETRTO\/ISO 622 standards, but also compatible with traditional inner tube setups if preferred.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat hub and spoke types fit this rim?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eDesigned for 4.5mm spoke holes, compatible with standard J-bend and straight-pull spokes, fitting both disc brake and rim brake hubs (Center Lock\/6-bolt or QR\/bolt-on; specify at order).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs the warranty truly global and what does it cover?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBola provides a 3-year warranty from date of purchase covering manufacturing defects in materials or workmanship. Rider misuse, accidents, and non-standard assembly are excluded per policy. Global after-sales support is available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does this rim compare to premium-brand carbon rims?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eWhile major brands offer similar Toray carbon material and rim specs, Bola eliminates the high brand premium by supplying directly from the factory, maintaining strict quality control and warranty standards. This offers a balance of price and reliable performance for both amateur racers and intensive riders.\u003c\/p\u003e\n\u003c\/details\u003e\u003cp\u003eBola 700c 45mm asymmetric carbon rim delivers high-strength, aerodynamic performance for road and gravel cyclists. Compatible with disc and rim brakes, its tubeless-ready U-shape supports efficient, lightweight builds. 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Key Features \u0026amp; Specs Material: T700\/T800 unidirectional carbon fiber Size: 700c (ISO 622) Depth: 45mm asymmetric U-shape Width: 28mm outer, 21mm or 23mm inner Compatibility: Hookless or hooked bead, tubeless-ready, supports disc and rim brake hubs Weight Options: 375g (Extreme-Light), 380g (Ultra-Light), 405g (Super-Light), 460g (Standard) Spoke Hole: 4.5mm, for standard road hub fitment Max Rider Weight: 100kg Recommended Tire Size: 25–32mm tubeless (ETRTO\/ISO 622) Certifications: ISO 622, ETRTO-compatible bead, Dynamic balance tested (\u0026lt;3g), Flatness (\u0026lt;0.15mm), Roundness (\u0026lt;0.3mm) Warranty: 3 years, against manufacturing defects How it Compares Feature This Product (Bola 45mm Rim) Competitor Performance Model* Material T700\/T800 UD carbon fiber Toray T700\/800, similar grade Outer Width 28mm 25–28mm Rim Depth 45mm 45mm–54mm Weight Range 375g–460g (by model) 420g–470g (mid-tier), 370g–420g (premium) Brake Compatibility Disc \u0026amp; Rim Disc (some only), rim (some only) Bead Type Hooked\/Hookless Hooked\/hookless (not always both) Certification ISO 622, ETRTO ISO, ETRTO (standard) Warranty 3 years 2–3 years (varies) Price Competitive, factory-direct High (premium); variable (OEM\/DT) *Performance model summarization based on DT Swiss, CADEX, and leading Chinese OEM competitors. Recommended Use Cases Upgrade for lightweight and aerodynamic road bike wheelsets Endurance and long-distance riding with stability and comfort Custom wheel builds for amateur racing, triathlons, and gravel cycling OEM and aftermarket wheel projects for disc or rim brake bikes B2B: Wheel suppliers and workshops seeking ISO-certified, cost-effective carbon rims Frequently Asked Questions What advantages does an asymmetric carbon rim offer for road and gravel cycling? The asymmetric profile helps equalize left\/right spoke tensions, resulting in improved lateral stiffness and wheel durability, especially important for disc brake and high-load endurance applications. Is this rim suitable for both tubeless and tube-type tires? Yes, Bola 700c 45mm asymmetric carbon rims are tubeless-ready according to ETRTO\/ISO 622 standards, but also compatible with traditional inner tube setups if preferred. What hub and spoke types fit this rim? Designed for 4.5mm spoke holes, compatible with standard J-bend and straight-pull spokes, fitting both disc brake and rim brake hubs (Center Lock\/6-bolt or QR\/bolt-on; specify at order). Is the warranty truly global and what does it cover? Bola provides a 3-year warranty from date of purchase covering manufacturing defects in materials or workmanship. Rider misuse, accidents, and non-standard assembly are excluded per policy. Global after-sales support is available. How does this rim compare to premium-brand carbon rims? While major brands offer similar Toray carbon material and rim specs, Bola eliminates the high brand premium by supplying directly from the factory, maintaining strict quality control and warranty standards. This offers a balance of price and reliable performance for both amateur racers and intensive riders. Bola 700c 45mm asymmetric carbon rim delivers high-strength, aerodynamic performance for road and gravel cyclists. 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Constructed from Toray T700\/T800-grade carbon fiber and epoxy resin, it is tested to more than 300kg forward compressive strength and supports a maximum rider weight of 100kg (ISO in-house strength test results available).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2 id=\"tinymce_scroll_sign\"\u003ePremium 700C Tubular Carbon Rim for Road Cycling Performance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 700C (ETRTO 622mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e 35mm deep U-shape (tubular)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 295g ± 10g (Superlight) \/ 320g ± 15g (Standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Toray T700\/T800 carbon fiber composite, epoxy matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e 23–28mm tubular tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Drilling:\u003c\/strong\u003e Custom options available; supports standard 4.5mm spokes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e \u0026gt;300kg forward compressive, \u0026gt;50kg lateral torsion (tested in-house)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 100kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (structural defects, normal riding conditions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose a 35mm Tubular Carbon Rim?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e35mm depth provides aerodynamic gains on flat sections yet remains climb-friendly under 300g (typical consensus among competitive racers).\u003c\/li\u003e\n\u003cli\u003eU-Shape and 28mm width stabilize airflow, improving control in crosswinds and increasing tire support for modern race tires.\u003c\/li\u003e\n\u003cli\u003eTubular format minimizes rim weight and rotational mass, benefiting acceleration and handling—tradeoff: requires gluing and is not compatible with clincher\/tubeless tires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComparison Table\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eDepth\u003c\/th\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003cth\u003eWeight (g)\u003c\/th\u003e\n\u003cth\u003eTire\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThis Product\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003ctd\u003e295–320\u003c\/td\u003e\n\u003ctd\u003eTubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDT45S Tubular\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e330–400\u003c\/td\u003e\n\u003ctd\u003eTubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5.0 Carbon Tubular\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e~390\u003c\/td\u003e\n\u003ctd\u003eTubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e700C Disc Tubular\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e330\u003c\/td\u003e\n\u003ctd\u003eTubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat are the advantages of a 35mm carbon tubular rim for racing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e35mm offers a versatile depth for both climbing and flat courses, with reduced rotational weight for responsive handling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this rim suitable for everyday training as well as racing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eDesigned for racing, it can be used for training by lighter riders; heavier or high-mileage use may prefer clincher models for easier maintenance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does the 28mm outer width affect tire compatibility and aerodynamics?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eLarger width provides increased tire support, lowers rolling resistance, and optimizes airflow for 23–28mm tubular tires.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the difference between tubular and clincher rims in performance?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eTubular rims are lighter and reduce rotational mass, benefiting acceleration; clincher rims are easier to maintain but typically heavier.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes the rim include test data or certifications?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis rim passes in-house strength tests: \u0026gt;300kg forward compressive, \u0026gt;50kg lateral torsion, and flatness \u0026lt;0.15mm.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Aerodynamic Design\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700C tubular carbon rim offers a perfect balance between weight and aerodynamics, weighing just 295 grams. Its 35mm deep profile reduces air resistance, allowing cyclists to maintain higher speeds with less effort. Carbon fiber construction enhances stiffness while keeping the rim ultra-light, making it ideal for both racing and long-distance rides. This efficient design ensures improved acceleration and responsive handling, crucial for competitive road cyclists aiming for peak performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Width for Enhanced Tire Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 28mm width, this 700C tubular carbon rim is tailored to support modern wider tires, improving traction and comfort on varied road surfaces. The wider rim profile allows for better tire shape and volume, which enhances grip and reduces rolling resistance. Cyclists can benefit from more stable cornering and improved shock absorption, translating to a smoother and safer ride experience. This dimension is especially advantageous for riders who seek versatility without compromising speed.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Precision Engineering\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted with precision carbon fiber layering techniques, this 700C tubular carbon rim is engineered for maximum strength and reliability. Despite its lightweight build, it withstands the rigors of road cycling, including rough pavements and aggressive cornering. The rim’s construction also optimizes heat dissipation, preventing performance loss during intense braking. Whether used for competitive races or long training sessions, this rim guarantees consistent performance and long-lasting durability to meet the demands of serious cyclists.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Aerodynamic Design\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700C tubular carbon rim offers a perfect balance between weight and aerodynamics, weighing just 295 grams. Its 35mm deep profile reduces air resistance, allowing cyclists to maintain higher speeds with less effort. Carbon fiber construction enhances stiffness while keeping the rim ultra-light, making it ideal for both racing and long-distance rides. This efficient design ensures improved acceleration and responsive handling, crucial for competitive road cyclists aiming for peak performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Width for Enhanced Tire Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 28mm width, this 700C tubular carbon rim is tailored to support modern wider tires, improving traction and comfort on varied road surfaces. The wider rim profile allows for better tire shape and volume, which enhances grip and reduces rolling resistance. Cyclists can benefit from more stable cornering and improved shock absorption, translating to a smoother and safer ride experience. This dimension is especially advantageous for riders who seek versatility without compromising speed.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Precision Engineering\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted with precision carbon fiber layering techniques, this 700C tubular carbon rim is engineered for maximum strength and reliability. Despite its lightweight build, it withstands the rigors of road cycling, including rough pavements and aggressive cornering. The rim’s construction also optimizes heat dissipation, preventing performance loss during intense braking. 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It is engineered for competitive road cycling and criterium racing where low rotational weight and high strength are priorities. Verified to withstand forward compressive strength \u0026gt;300kg and compatible with tire pressures up to 125 psi, it supports riders up to 100kg.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU-shape tubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e539mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Standard)\u003c\/td\u003e\n\u003ctd\u003e370 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e355 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications \u0026amp; Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoad racing and criterium events seeking low-weight and aerodynamic gains\u003c\/li\u003e\n\u003cli\u003eProfessional and enthusiast cyclists requiring rim customizability for team wheelsets\u003c\/li\u003e\n\u003cli\u003eSuitable for competitive bike builds within UCI regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison Table: Tubular vs. Clincher Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eTubular (This Product)\u003c\/th\u003e\n\u003cth\u003eClincher\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Mount\u003c\/td\u003e\n\u003ctd\u003eGlued\/Sewn-on\u003c\/td\u003e\n\u003ctd\u003eBead locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotational Weight\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePuncture Ease\u003c\/td\u003e\n\u003ctd\u003eRequires glue\/repair\u003c\/td\u003e\n\u003ctd\u003eTool-free change\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003ctd\u003eVaries (lower for tubeless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes a 50mm deep, 25mm wide tubular rim suitable for both flat and hilly races?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eA: The 50mm profile balances aerodynamic gains for flat courses with manageable weight for efficient climbing, while the 25mm width optimizes tire shape for stable cornering and reduced rolling resistance.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a carbon tubular rim compare to a clincher rim for professional cycling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eA: Tubular rims provide lower rotational weight and superior ride feel for race conditions but require more skill for tire installation and repair compared to clincher or tubeless-ready clinchers.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are 25mm wide carbon tubular rims better than 23mm?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eA: 25mm width improves aerodynamic transition with modern 25–28mm tires, offering increased stability and comfort while maintaining low drag compared to narrower rims.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What warranty and certifications does this rim offer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eA: 3-year manufacturer's warranty covering structural defects. Manufactured using industry-standard carbon fiber quality controls; custom hole sizes available for OEM needs.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design for Superior Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c Carbon Tubular Road Rim is designed with weight-saving in mind, weighing only 355 grams. This lightweight construction allows cyclists to accelerate faster and climb hills with greater ease. Made from high-quality carbon fiber, this rim combines strength with low mass, giving riders a competitive edge during races or long rides. Its reduced rotational weight also enhances overall bike handling and responsiveness, making it an excellent choice for serious cyclists seeking performance gains.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAerodynamic 50mm Depth for Enhanced Speed\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 50mm deep profile, the 700c Carbon Tubular Road Rim offers improved aerodynamic advantages. The deeper rim profile reduces air drag by smoothing airflow around the wheel at higher speeds. This makes it optimal for road racers and time-trialists who want to maintain higher velocities efficiently. Despite the deeper section, it maintains a lightweight structure without compromising structural integrity, perfectly balancing speed and control.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal 25mm Width for Comfort and Stability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 25mm internal width, this carbon tubular rim supports wider tires, allowing for lower tire pressures. This configuration enhances ride comfort by absorbing road vibrations and improving grip on varied surfaces. The broader width also contributes to improved stability during cornering and helps distribute load more evenly. 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Compatible with both hookless and hooked tubeless tires, it supports tubeless and tube-type setups, with a weight range of 385–425g depending on option.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eContext:\u003c\/strong\u003e Targeted for premium road and endurance cycling wheel builds, asymmetric drilling reduces spoke tension disparity, enhancing wheel durability—particularly for rear wheels. Built from tested Toray T700 \/ T800 composite, it meets advanced structural performance benchmarks (Forward Compressive Strength \u0026gt;300kg; Lateral Torsion \u0026gt;50kg; Dynamic Balance \u0026lt;3g; Flatness \u0026lt;0.15mm; Roundness \u0026lt;0.3mm) for professional and brand-level use.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape (Asymmetric offset)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e18mm or 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Rim Diameter (ERD)\u003c\/td\u003e\n\u003ctd\u003e578mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e385 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Normal)\u003c\/td\u003e\n\u003ctd\u003e425 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTyre Compatibility\u003c\/td\u003e\n\u003ctd\u003eHooked or hookless clincher, tubed or tubeless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tyre Pressure (hooked)\u003c\/td\u003e\n\u003ctd\u003e125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eToray T700 \/ T800 carbon composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years (structural defects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eSituational Suitability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance\/road racing:\u003c\/strong\u003e Aerodynamic 38mm profile tested for crosswind control and high-speed handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide tyre builds:\u003c\/strong\u003e 25mm external width supports 25–32mm tyres for enhanced grip and comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\/pro team OEM:\u003c\/strong\u003e Custom drilling and weight options for tailored use-case optimization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparative Table — 38mm Carbon Clincher Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eInternal Width\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eOffset\u003c\/th\u003e\n\u003cth\u003eTubeless?\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThis Product\u003c\/td\u003e\n\u003ctd\u003e18\/20mm\u003c\/td\u003e\n\u003ctd\u003e385–425g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD21-38\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003ctd\u003e380–410g\u003c\/td\u003e\n\u003ctd\u003eSymmetric\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR18-38\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003ctd\u003e470g\u003c\/td\u003e\n\u003ctd\u003eSymmetric\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What are the advantages of an asymmetric 700c carbon rim?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Improves spoke tension balance for increased durability and reliability, especially for rear wheel builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How does hookless vs. hooked compatibility affect tire setup?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Hookless is preferred for tubeless with lower pressures; hooked supports higher pressures and standard clinchers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is this rim suitable for endurance or racing wheel builds?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, optimally tested for both applications. Choose weight options based on use-case priorities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the recommended tyre size?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Best performance with 25–32mm wide road tires, both tubeless and tubed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Are custom drilling\/hole patterns available?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, to suit various spoke types and lacing patterns for professional wheel builders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAdvanced Design and Material Innovation\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c Asymmetric Carbon Clincher Rim is engineered using high-grade carbon fiber, optimizing both strength and weight. Its asymmetric profile balances spoke tension evenly, enhancing wheel durability and responsiveness. This rim measures 38mm in depth and 25mm in internal width, offering excellent aerodynamic benefits without compromising stability. This smart design suits both competitive cyclists and enthusiasts seeking an efficient ride, improving speed and control on varied terrains.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eEnhanced Aerodynamics and Ride Stability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 38mm rim depth, this asymmetric carbon clincher rim reduces air drag significantly, making it ideal for fast-paced riding and long-distance endurance. The 25mm width comfortably accommodates wider tires, which improves traction and shock absorption. This combination ensures a smoother, more stable ride, particularly on rough road surfaces. Cyclists enjoy improved cornering confidence and overall wheel stiffness for optimized power transfer.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDurability is a key advantage of this 700c asymmetric carbon clincher rim. The carbon fiber construction resists impacts and fatigue, extending the rim's lifespan even under rigorous use. It is fully compatible with tubeless tires, providing improved puncture resistance and weight savings. 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Weighs 460g (standard) or 420g (superlight); supports up to 100kg rider weight. Designed for road cyclists and brands seeking lightweight, U-shaped rims for speed and controlled handling.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-Shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Depth\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Std\/Superlight)\u003c\/td\u003e\n\u003ctd\u003e460 ±15g \/ 420 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e539 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (Presta)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCertified Performance \u0026amp; Tolerances\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForward compressive strength: \u0026gt;300 kg (ISO Lab tested)\u003c\/li\u003e\n\u003cli\u003eLateral torsion: \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003eSpoke hole tension: \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003eDynamic equilibrium: \u0026lt;3g\u003c\/li\u003e\n\u003cli\u003eFlatness: \u0026lt;0.15mm, Roundness: \u0026lt;0.3mm tolerance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits 25–32mm clincher road tires (ETRTO standard)\u003c\/li\u003e\n\u003cli\u003eNot compatible with tubeless tires\u003c\/li\u003e\n\u003cli\u003e6.5mm Presta valve stem hole\u003c\/li\u003e\n\u003cli\u003e700C road bike frames\u003c\/li\u003e\n\u003cli\u003eWeight-optimized for competitive road cycling and team builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse Cases \u0026amp; Tradeoffs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptimized for aerodynamic efficiency and stable handling in crosswinds\u003c\/li\u003e\n\u003cli\u003e25mm outer width improves tire support over narrower 23mm rims; compatible with modern wide tire setups\u003c\/li\u003e\n\u003cli\u003eWhile not tubeless-ready, clincher design streamlines installation and fits common racing tires\u003c\/li\u003e\n\u003cli\u003eSuperlight option (420g) offers lower weight, but reduces maximum load vs. standard (460g) build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison: 18mm vs. 19mm Inner Width\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e18mm (This Rim)\u003c\/th\u003e\n\u003cth\u003e19mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Options\u003c\/td\u003e\n\u003ctd\u003e25–32mm\u003c\/td\u003e\n\u003ctd\u003e28–35mm+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAero Fit (28mm Tire)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eMaximized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRolling Resistance\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd\u003eLowest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003ctd\u003eSlightly Higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this 50mm rim with tubeless tires?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA: This model is clincher only, not tubeless-ready. Use with clincher tires and tubes.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What tires work best on a 25mm outer width rim?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA: 25–28mm clincher road tires (ETRTO standard) provide an optimal aero and handling balance.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What’s the rider weight limit?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA: Maximum rider weight is 100kg as tested for compressive strength.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWarranty: 3 years (manufacturing defects only; does not cover crash\/overload above weight limit). Manufactured with ISO-compliant testing in China. Trusted by small and medium cycling brands across Europe\/North America.\u003c\/em\u003e\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/24 \/ Standard","offer_id":48122038780158,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/24 \/ Superlight","offer_id":48122038812926,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/24 \/ Ultralight","offer_id":48122038845694,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/24 \/ Extremelight","offer_id":48122038878462,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Standard","offer_id":48122038911230,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Superlight","offer_id":48122038943998,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ 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Extremelight","offer_id":48122040320254,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_700c_carbon_rims_be07013f-04f2-4df2-9074-ef1cd871bdb3.png?v=1780298294"},{"product_id":"700c-carbon-rim-35mm-low-profile-tubeless-365g-25mm-wide-hook-hookless","title":"700C Carbon Rim 35mm Low Profile Tubeless 25mm Wide Hookless Hook Ready, 365g, ETRTO, ISO 622","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eUltimate Performance with 700C Carbon Rim 35mm Low Profile Tubeless\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eLead Answer:\u003c\/strong\u003e This 700C carbon rim features a 35mm low profile, 25mm outer width, and weighs just 365±15g. Compatible with both hook and hookless tubeless tire systems, it is engineered for cross-country, gravel, and road cyclists seeking a balance of aerodynamics, weight savings, and reliability. Meets ETRTO tubeless and ISO 622 standards.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C (ISO 622)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eU-shape, 35mm height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e18mm (20mm available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight - Superlight\u003c\/td\u003e\n\u003ctd\u003e365±15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight - Standard\u003c\/td\u003e\n\u003ctd\u003e400±15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eUnidirectional carbon fibre (T700 or equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Ready\u003c\/td\u003e\n\u003ctd\u003eYes (hook \u0026amp; hookless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eETRTO, ISO 622\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance \u0026amp; Use Case\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-country \u0026amp; Gravel:\u003c\/strong\u003e Low profile (35mm) for stable handling in variable conditions; 365g rim targets sub-1500g wheel builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoad Cycling:\u003c\/strong\u003e Tubeless compatibility supports wider tire setups and improved rolling efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Builds:\u003c\/strong\u003e Compatible with 700C road and gravel frames and 29-inch hardtail MTBs (ISO 622), plus ETRTO-compliant tires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison: Lightweight Carbon Rim Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eProfile (mm)\u003c\/th\u003e\n\u003cth\u003eWidth (mm)\u003c\/th\u003e\n\u003cth\u003eWeight (g)\u003c\/th\u003e\n\u003cth\u003eTubeless Ready\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThis Product\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e25\/18 (outer\/inner)\u003c\/td\u003e\n\u003ctd\u003e365±15\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompetitor A\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e28\/20\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompetitor B\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e24\/17\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat tire sizes are optimal for an 18mm inner width carbon rim?\u003c\/strong\u003e\u003cbr\u003eMost ETRTO 25-32mm tires are recommended, ideal for road, gravel, and mixed-terrain use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHooked or hookless: which should I choose for tubeless?\u003c\/strong\u003e\u003cbr\u003eHooked rims support higher-pressure clinchers; hookless is preferred for tubeless setups up to 5 bar (per ETRTO guidelines).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes a 35mm profile provide aerodynamic benefit?\u003c\/strong\u003e\u003cbr\u003e35mm offers a neutral aerodynamic balance for versatile handling in crosswinds and variable terrain; deeper profiles prioritize aero at higher weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs a 25mm wide rim compatible with modern frames?\u003c\/strong\u003e\u003cbr\u003eYes—most disc-brake road and gravel frames (2015+) accept 25mm rims within manufacturer clearance limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification and quality standards?\u003c\/strong\u003e\u003cbr\u003eRim meets ETRTO tubeless and ISO 622 diameter standards. 3-year warranty covers manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design for Enhanced Speed\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700C Carbon Rim 35mm Low Profile Tubeless features an ultra-lightweight design at only 365 grams, allowing cyclists to achieve faster acceleration and improved agility. This rim’s carbon construction reduces rotational weight, making climbs easier and overall riding more efficient. The low profile shape balances aerodynamic benefits with stability, giving riders confidence across various terrains. Whether you're competing or training, this rim delivers responsive performance without compromising strength.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Width and Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 25mm wide internal width, this 700C carbon rim perfectly supports modern tire sizes, enhancing grip and comfort on the road or trail. The wider rim profile improves tire stability and allows for optimal tubeless tire seating, reducing the risk of pinch flats. Additionally, the rim is available in both hook and hookless variants, providing flexibility for different rim and tire setups. This compatibility makes it an excellent choice for riders seeking versatility without sacrificing reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Tubeless Ready Technology\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for durability and ease of use, the 700C Carbon Rim 35mm Low Profile Tubeless offers excellent impact resistance due to high-quality carbon fiber layering. The tubeless-ready design ensures quick, reliable tire installation and better air retention, reducing maintenance and improving ride quality. Reinforced sidewalls further add to the rim’s toughness, making it suitable for aggressive riding styles and varying road conditions. This rim is ideal for cyclists who demand long-lasting and high-performing equipment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700C Carbon Rim 35mm Low Profile Tubeless | 365g | 25mm Wide | Hook\/Hookless\",\n  \"description\": \"Ultimate Performance with 700C Carbon Rim 35mm Low Profile Tubeless Lead Answer: This 700C carbon rim features a 35mm low profile, 25mm outer width, and weighs just 365±15g. Compatible with both hook and hookless tubeless tire systems, it is engineered for cross-country, gravel, and road cyclists seeking a balance of aerodynamics, weight savings, and reliability. Meets ETRTO tubeless and ISO 622 standards. Key Specifications Parameter Value Rim Size 700C (ISO 622) Profile U-shape, 35mm height Outer Width 25mm Inner Width 18mm (20mm available) Weight - Superlight 365±15g Weight - Standard 400±15g Material Unidirectional carbon fibre (T700 or equivalent) Tubeless Ready Yes (hook \u0026amp; hookless) Certifications ETRTO, ISO 622 Warranty 3 years Performance \u0026amp; Use Case Cross-country \u0026amp; Gravel: Low profile (35mm) for stable handling in variable conditions; 365g rim targets sub-1500g wheel builds Road Cycling: Tubeless compatibility supports wider tire setups and improved rolling efficiency Custom Builds: Compatible with 700C road and gravel frames and 29-inch hardtail MTBs (ISO 622), plus ETRTO-compliant tires Comparison: Lightweight Carbon Rim Options Model Profile (mm) Width (mm) Weight (g) Tubeless Ready This Product 35 25\/18 (outer\/inner) 365±15 Yes Competitor A 50 28\/20 370 Yes Competitor B 30 24\/17 370 Yes FAQ What tire sizes are optimal for an 18mm inner width carbon rim? Most ETRTO 25-32mm tires are recommended, ideal for road, gravel, and mixed-terrain use. Hooked or hookless: which should I choose for tubeless? Hooked rims support higher-pressure clinchers; hookless is preferred for tubeless setups up to 5 bar (per ETRTO guidelines). Does a 35mm profile provide aerodynamic benefit? 35mm offers a neutral aerodynamic balance for versatile handling in crosswinds and variable terrain; deeper profiles prioritize aero at higher weight. Is a 25mm wide rim compatible with modern frames? Yes—most disc-brake road and gravel frames (2015+) accept 25mm rims within manufacturer clearance limits. Certification and quality standards? Rim meets ETRTO tubeless and ISO 622 diameter standards. 3-year warranty covers manufacturing defects. Lightweight Design for Enhanced Speed The 700C Carbon Rim 35mm Low Profile Tubeless features an ultra-lightweight design at only 365 grams, allowing cyclists to achieve faster acceleration and improved agility. This rim’s carbon construction reduces rotational weight, making climbs easier and overall riding more efficient. The low profile shape balances aerodynamic benefits with stability, giving riders confidence across various terrains. Whether you're competing or training, this rim delivers responsive performance without compromising strength. Optimized Width and Compatibility With a 25mm wide internal width, this 700C carbon rim perfectly supports modern tire sizes, enhancing grip and comfort on the road or trail. The wider rim profile improves tire stability and allows for optimal tubeless tire seating, reducing the risk of pinch flats. Additionally, the rim is available in both hook and hookless variants, providing flexibility for different rim and tire setups. This compatibility makes it an excellent choice for riders seeking versatility without sacrificing reliability. Durability and Tubeless Ready Technology Engineered for durability and ease of use, the 700C Carbon Rim 35mm Low Profile Tubeless offers excellent impact resistance due to high-quality carbon fiber layering. The tubeless-ready design ensures quick, reliable tire installation and better air retention, reducing maintenance and improving ride quality. Reinforced sidewalls further add to the rim’s toughness, making it suitable for aggressive riding styles and varying road conditions. 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Backed by 3-year manufacturer warranty.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eV Shape, 40mm deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e24mm or 25mm (select)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eETRTO 2021 (hookless option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e375–430g (verified tiers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e558mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg compressive, \u0026gt;50kg lateral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tire Width\u003c\/td\u003e\n\u003ctd\u003e25–28mm (24mm inner), 25–32mm (25mm inner)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eUnidirectional carbon fiber with epoxy resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eComparison: Asymmetric vs Mmetric\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive Road Climbers\u003c\/strong\u003e: Ultralight 375g option minimizes inertia.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance Riders\u003c\/strong\u003e: 25mm width supports wider tires for comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrands and Builders\u003c\/strong\u003e: Multiple weights and width options for custom wheelsets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003eWhat tubeless carbon rims are best for road cycling at 40mm and 25mm width?\u003c\/dt\u003e\n\u003cdd\u003eThis rim meets ETRTO standards, verified at 375–430g, and provides performance for racing and long-distance rides.\u003c\/dd\u003e\n\u003cdt\u003eShould I choose hookless or hooked for my road tubeless setup?\u003c\/dt\u003e\n\u003cdd\u003eHookless supports modern tubeless, up to 72 psi with compliant tires. Hooked offers broader tire compatibility with traditional road clinchers.\u003c\/dd\u003e\n\u003cdt\u003eIs sub-400g rim weight suitable for racing?\u003c\/dt\u003e\n\u003cdd\u003e375–395g tiers minimize rotational weight for rapid acceleration, preferred by climbers and racers; consider tire fit for your use case.\u003c\/dd\u003e\n\u003cdt\u003eWhat’s the advantage of 24mm vs 25mm internal width?\u003c\/dt\u003e\n\u003cdd\u003e25mm allows wider tires for comfort and stability on rougher roads or ultradistance rides; 24mm prioritizes aero efficiency for road racing tires.\u003c\/dd\u003e\n\u003cdt\u003eWhat tire sizes are recommended?\u003c\/dt\u003e\n\u003cdd\u003e24mm inner: 25–28mm tires; 25mm inner: 25–32mm tires (see ETRTO guidelines).\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":48128819429630,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ 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330–400g","description":"\u003cp\u003eThe 700C Carbon Gravel\/Cyclocross Rim is a tubeless-ready carbon rim for riders building disc-brake gravel or cyclocross wheelsets for racing, endurance riding, and technical mixed terrain. Its 24 mm and 25 mm internal-width options support distinct gravel tire ranges, while the 35 mm profile balances aerodynamic design with use on variable surfaces.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel size:\u003c\/strong\u003e 700C with a 622 mm bead seat diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim profile:\u003c\/strong\u003e 35 mm deep aerodynamic V-section with a 30 mm outer width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal width options:\u003c\/strong\u003e 24 mm for 33c to 42c tires, or 25 mm for 40c to 50c tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim weight:\u003c\/strong\u003e 330 g, 350 g, 380 g, or 400 g, depending on the version, with a stated tolerance of plus or minus 10 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless design:\u003c\/strong\u003e Tubeless-ready with a 6.5 mm valve hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake and hub application:\u003c\/strong\u003e Intended for disc-brake wheel builds, including hubs using center-lock or 6-bolt rotor mounts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon construction:\u003c\/strong\u003e Unidirectional and woven carbon fiber laminate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValidated testing:\u003c\/strong\u003e ISO 4210 validated, with forward compression testing above 300 kg, torsion testing above 50 kg, and spoke-tension certification above 280 kgf\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow it Compares\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThis Product\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e35mm aerodynamic V-section\u003c\/td\u003e\n\u003ctd\u003eOffers a balanced profile for crosswind stability and efficient speed on gravel and cyclocross terrain.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e24mm or 25mm\u003c\/td\u003e\n\u003ctd\u003eSupports a wide range of tire sizes (33–50c) for tuning traction and ride comfort on mixed surfaces.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e330g \/ 350g \/ 380g \/ 400g\u003c\/td\u003e\n\u003ctd\u003eLightweight build enables faster acceleration and easier handling for performance-focused riders.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eUnidirectional + woven carbon fiber laminate\u003c\/td\u003e\n\u003ctd\u003eCombines strength and impact resistance with low weight for durability in demanding conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eISO 4210, compression \u0026gt;300kg, spoke tension \u0026gt;280kgf\u003c\/td\u003e\n\u003ctd\u003eIndependently verified for safety and endurance, offering peace of mind for high-performance use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Compatibility\u003c\/td\u003e\n\u003ctd\u003eDisc brakes (center-lock and 6-bolt)\u003c\/td\u003e\n\u003ctd\u003eProvides flexibility to fit modern gravel and cyclocross bike standards.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Ready\u003c\/td\u003e\n\u003ctd\u003eYes (6.5mm valve)\u003c\/td\u003e\n\u003ctd\u003eAllows lower tire pressures for improved grip and reduced puncture risk on rough terrains.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the best lightweight carbon rims for building a fast gravel or cyclocross bike?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe 700C Carbon Gravel\/Cyclocross Rim is a lightweight option for custom gravel or cyclocross builds, with listed rim weights from 330g to 400g and a 35mm deep profile. Its 24mm and 25mm internal-width options support tubeless tires from 33c to 50c for mixed-terrain setups.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eCan you recommend carbon rims for gravel racing that balance durability and weight?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe 700C Carbon Gravel\/Cyclocross Rim combines a 330g to 400g listed weight range with ISO 4210 validation, compression testing above 300kg, torsion testing above 50kg, and certification for spoke tension above 280kgf. It is designed for disc-brake gravel and cyclocross riding, including racing, endurance, and technical mixed-terrain use.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs this a good rim for tubeless gravel tires and long-distance mixed-terrain riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the 700C Carbon Gravel\/Cyclocross Rim is tubeless-ready and is designed for 33c to 50c tires used on gravel, cyclocross, and mixed terrain. The 24mm internal width is specified for 33c to 42c tires, while the 25mm internal width is specified for 40c to 50c tires.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat should riders look for in a disc-brake rim for a custom gravel bike build?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor a custom gravel build, consider wheel size, tubeless tire range, internal rim width, rim depth, rim weight, and disc-brake suitability. The 700C Carbon Gravel\/Cyclocross Rim has a 622mm bead-seat diameter, 35mm depth, 30mm outer width, 24mm or 25mm internal width, and disc-brake design.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eHow does a 35mm-deep carbon rim suit gravel and cyclocross riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eA 35mm rim depth provides an aerodynamic profile while targeting stability in crosswinds on varied gravel and cyclocross terrain. The 700C Carbon Gravel\/Cyclocross Rim uses a 35mm aerodynamic V-section and is intended for high-performance racing, endurance riding, and technical mixed-terrain use.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700C Carbon Gravel and Cyclocross Rim, 35mm Depth, 24 or 25mm Internal Width, Tubeless, 330–400g\",\n  \"description\": \"The 700C Carbon Gravel\/Cyclocross Rim is a tubeless-ready carbon rim for riders building disc-brake gravel or cyclocross wheelsets for racing, endurance riding, and technical mixed terrain. Its 24 mm and 25 mm internal-width options support distinct gravel tire ranges, while the 35 mm profile balances aerodynamic design with use on variable surfaces. Key Features \u0026amp; Specs Wheel size: 700C with a 622 mm bead seat diameter Rim profile: 35 mm deep aerodynamic V-section with a 30 mm outer width Internal width options: 24 mm for 33c to 42c tires, or 25 mm for 40c to 50c tires Rim weight: 330 g, 350 g, 380 g, or 400 g, depending on the version, with a stated tolerance of plus or minus 10 g Tubeless design: Tubeless-ready with a 6.5 mm valve hole Brake and hub application: Intended for disc-brake wheel builds, including hubs using center-lock or 6-bolt rotor mounts Carbon construction: Unidirectional and woven carbon fiber laminate Validated testing: ISO 4210 validated, with forward compression testing above 300 kg, torsion testing above 50 kg, and spoke-tension certification above 280 kgf How it Compares Feature This Product Why It Matters Rim Depth 35mm aerodynamic V-section Offers a balanced profile for crosswind stability and efficient speed on gravel and cyclocross terrain. Internal Width 24mm or 25mm Supports a wide range of tire sizes (33–50c) for tuning traction and ride comfort on mixed surfaces. Weight 330g \/ 350g \/ 380g \/ 400g Lightweight build enables faster acceleration and easier handling for performance-focused riders. Material Unidirectional + woven carbon fiber laminate Combines strength and impact resistance with low weight for durability in demanding conditions. Certifications ISO 4210, compression \u0026gt;300kg, spoke tension \u0026gt;280kgf Independently verified for safety and endurance, offering peace of mind for high-performance use. Brake Compatibility Disc brakes (center-lock and 6-bolt) Provides flexibility to fit modern gravel and cyclocross bike standards. Tubeless Ready Yes (6.5mm valve) Allows lower tire pressures for improved grip and reduced puncture risk on rough terrains. Frequently Asked Questions What are the best lightweight carbon rims for building a fast gravel or cyclocross bike? The 700C Carbon Gravel\/Cyclocross Rim is a lightweight option for custom gravel or cyclocross builds, with listed rim weights from 330g to 400g and a 35mm deep profile. Its 24mm and 25mm internal-width options support tubeless tires from 33c to 50c for mixed-terrain setups. Can you recommend carbon rims for gravel racing that balance durability and weight? The 700C Carbon Gravel\/Cyclocross Rim combines a 330g to 400g listed weight range with ISO 4210 validation, compression testing above 300kg, torsion testing above 50kg, and certification for spoke tension above 280kgf. It is designed for disc-brake gravel and cyclocross riding, including racing, endurance, and technical mixed-terrain use. Is this a good rim for tubeless gravel tires and long-distance mixed-terrain riding? Yes, the 700C Carbon Gravel\/Cyclocross Rim is tubeless-ready and is designed for 33c to 50c tires used on gravel, cyclocross, and mixed terrain. The 24mm internal width is specified for 33c to 42c tires, while the 25mm internal width is specified for 40c to 50c tires. What should riders look for in a disc-brake rim for a custom gravel bike build? For a custom gravel build, consider wheel size, tubeless tire range, internal rim width, rim depth, rim weight, and disc-brake suitability. The 700C Carbon Gravel\/Cyclocross Rim has a 622mm bead-seat diameter, 35mm depth, 30mm outer width, 24mm or 25mm internal width, and disc-brake design. How does a 35mm-deep carbon rim suit gravel and cyclocross riding? A 35mm rim depth provides an aerodynamic profile while targeting stability in crosswinds on varied gravel and cyclocross terrain. 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Recommended if you use multiple tire brands or frequently swap between clincher and tubeless setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHookless (25mm inner width):\u003c\/strong\u003e The 25mm internal width pairs optimally with modern tubeless gravel tires (38c–50c), reduces rim weight slightly, and improves rim-to-tire air seal consistency. Note: hookless rims require ETRTO-compliant tubeless tires and a maximum tire pressure of 73 psi per ETRTO 2023 hookless guidelines — verify your tire manufacturer's compatibility before building.\u003c\/p\u003e\n\u003ch2\u003eRim Width and Tire Performance\u003c\/h2\u003e\n\u003cp\u003eA 30mm outer \/ 24–25mm inner width is designed for gravel tires in the 38c–50c range. Wider inner rims reduce tire sidewall pinch, improve cornering stability, and support lower tire pressures for better compliance on loose or mixed-terrain surfaces. Running a 40c tire on this rim yields an effective mounted width approximately 2–3mm wider than the labeled tire size.\u003c\/p\u003e\n\u003ch2\u003eKnown Tradeoffs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe extreme-light 325g tier prioritises minimum weight; riders over 80 kg or those riding aggressive rocky terrain may prefer the standard (395g) or superlight (365g) tier for added durability margin.\u003c\/li\u003e\n\u003cli\u003eMaximum tire pressure is capped at 125 psi (hooked) — not suitable for high-pressure road clincher applications.\u003c\/li\u003e\n\u003cli\u003eRider weight limit is ≤100 kg including rider, clothing, and kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these rims compatible with rim-brake setups?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. These are disc-brake-only rims with no braking surface. They are designed exclusively for disc brake gravel and road disc builds.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the lightest option available?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Extreme Light tier weighs 325 ± 10g per rim, making it one of the lightest 700c carbon gravel rims in the 40mm profile category. This tier is best suited to riders under 75 kg on moderate gravel terrain.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I run tubeless without tape?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. These rims require tubeless rim tape and a compatible tubeless valve. The spoke bed is not fully sealed from the factory; standard tubeless tape and sealant setup applies.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spoke counts are available?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eSpoke hole counts and drilling patterns are available in standard configurations or custom options — contact Bola directly to confirm available drillings for your hub specification.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a warranty included?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Bola offers a three-year warranty covering manufacturing defects under normal use conditions.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePremium Lightweight Design for Gravel Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola 700c Carbon Gravel Rim 40mm High delivers an exceptional blend of strength and minimal weight, weighing between 325 and 395 grams. Its carbon construction ensures durability while keeping the rim light enough to enhance speed and agility on various terrains. The 40mm height optimizes aerodynamic performance and stability, making it a top choice for competitive and recreational gravel riders.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Width and Tubeless Compatibility for Versatility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMeasuring 30mm wide, the Bola 700c Carbon Gravel Rim supports a broad range of tire sizes, allowing riders to adapt to different trail conditions easily. Designed for both hooked and hookless tubeless setups, this rim offers flexibility and ease of maintenance. The tubeless system enhances puncture resistance and allows for lower tire pressures, improving traction and ride comfort on gravel paths.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAdvanced Build Quality and Performance Enhancements\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe rim construction incorporates cutting-edge carbon fiber technology, ensuring high stiffness and impact resistance ideal for demanding gravel terrain. Its compatibility with tubeless systems reduces the risk of pinch flats and promotes better ride quality. 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Its 30mm-wide asymmetric design is available in 405g, 365g, and 335g weight tiers, allowing the build to be matched to load, terrain, and racing priorities.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel size:\u003c\/strong\u003e 700c \/ ISO 622\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim dimensions:\u003c\/strong\u003e 30mm outer width, 24mm or 25mm inner width, and 30mm depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial and construction:\u003c\/strong\u003e Toray T700\/T800 carbon fiber composite with an asymmetric, low-profile V-shaped profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsymmetric offset:\u003c\/strong\u003e 2.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight options per rim:\u003c\/strong\u003e Normal 405±15g, Superlight 365±10g, or Ultralight 335±10g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire setup:\u003c\/strong\u003e Hookless tubeless-compatible bead, verified with standard 6.5mm tubeless valves; supports tubeless or clincher tires from 32mm to 54mm wide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke drilling:\u003c\/strong\u003e Custom drilling available for straight-pull or J-bend spokes, with a 4.5mm nipple seat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting and standard:\u003c\/strong\u003e EN 14781 compliant, tested to greater than 300kg forward compressive strength and greater than 280kg spoke tension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Three-year warranty for manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow it Compares\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThis Product\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003eProvides strong tire sidewall support and enhanced stability for 32–54mm gravel tires.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Options\u003c\/td\u003e\n\u003ctd\u003e405±15g (normal), 365±10g (superlight), 335±10g (ultralight)\u003c\/td\u003e\n\u003ctd\u003eAllows riders to select the optimal balance of durability and lightweight performance for their specific needs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAsymmetric Profile\u003c\/td\u003e\n\u003ctd\u003e2.6mm offset, low-profile V-shape\u003c\/td\u003e\n\u003ctd\u003eImproves spoke tension balance for a stronger, longer-lasting wheel with better handling on mixed terrain.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eEN 14781 compliant; tested \u0026gt;300kg compressive strength; \u0026gt;280kg spoke tension\u003c\/td\u003e\n\u003ctd\u003eVerified standards and testing ensure safety, reliability, and lasting performance for demanding use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eToray T700\/T800 carbon fiber composite\u003c\/td\u003e\n\u003ctd\u003eUses high-grade carbon fiber for a strong, lightweight rim ideal for gravel and mixed terrain builds.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Compatibility\u003c\/td\u003e\n\u003ctd\u003eFits 700c \/ ISO 622 bikes; tubeless compatible; tire widths 32–54mm\u003c\/td\u003e\n\u003ctd\u003eSupports a wide range of gravel and all-road setups without compatibility concerns.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuild an endurance gravel or bikepacking wheelset with the Normal tier for riders up to 120kg and higher-load riding.\u003c\/li\u003e\n\u003cli\u003eBuild a gravel race or mixed-terrain wheelset with the Superlight tier for riders up to 100kg who want lower rotating weight for long events.\u003c\/li\u003e\n\u003cli\u003eBuild a climbing-focused gravel wheelset with the Ultralight tier for riders up to 80kg, where the 335±10g rim weight is suited to competitive lightweight builds.\u003c\/li\u003e\n\u003cli\u003eUse in 700c gravel, endurance, or all-road builds running 32mm to 54mm tubeless or clincher tires.\u003c\/li\u003e\n\u003cli\u003eSpecify a custom wheel build using straight-pull or J-bend spokes and requested spoke drilling.\u003c\/li\u003e\n\u003cli\u003eChoose the asymmetric profile for disc-brake wheel builds where improved spoke bracing angle and more balanced spoke tension are desired.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the best lightweight carbon gravel rims for competitive cyclists?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe Bola 700c Asymmetric 30mm Carbon Gravel Rim is designed for performance-focused gravel builds, with 365±10g superlight and 335±10g ultralight options. The superlight tier suits all-day gravel racing and mixed terrain, while the ultralight tier is intended for competitive climbing and lightweight builds with a rider weight limit of 80kg.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eIs this a good carbon rim for durable mixed-terrain gravel riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the Bola 700c Asymmetric 30mm Carbon Gravel Rim offers a 405±15g normal tier for endurance gravel, bikepacking, and heavier loads up to 120kg. Its 2.6mm asymmetric offset is designed to improve spoke tension balance, and the rim is tested to more than 300kg compressive strength and more than 280kg spoke tension.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhat should I consider when choosing a lightweight 700c rim for a gravel wheelset?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eChoose the weight tier around rider weight, terrain, and intended use rather than weight alone. This rim is available at 405±15g for higher-load riding, 365±10g for racing and mixed terrain, and 335±10g for climbing-focused builds with stricter 80kg rider guidance.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWill this rim support a wide gravel tire setup?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the Bola 700c Asymmetric 30mm Carbon Gravel Rim has a 30mm outer width and is available with a 24mm or 25mm inner width for 32mm to 54mm tubeless or clincher tires. It uses a hookless tubeless-compatible bead and fits 700c, ISO 622 gravel, endurance, and all-road bikes.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails open\u003e\u003csummary\u003e\u003cstrong\u003eWhy choose an asymmetric carbon rim for a gravel wheel build?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAn asymmetric rim can improve spoke bracing angle and help equalize spoke tension across the wheel. This Bola rim uses a 2.6mm offset profile and supports custom drilling for straight-pull or J-bend spokes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Bola 700c Asymmetric 30mm Carbon Gravel Rim, Tubeless Compatible, 30mm Wide, Multiple Weight Tiers\",\n  \"description\": \"Bola’s 700c Asymmetric 30mm Carbon Gravel Rim is a Toray T700\/T800 carbon rim for performance-focused riders, cycling teams, and brands building lightweight gravel, endurance, and all-road wheelsets. Its 30mm-wide asymmetric design is available in 405g, 365g, and 335g weight tiers, allowing the build to be matched to load, terrain, and racing priorities. Key Features \u0026amp; Specs Wheel size: 700c \/ ISO 622 Rim dimensions: 30mm outer width, 24mm or 25mm inner width, and 30mm depth Material and construction: Toray T700\/T800 carbon fiber composite with an asymmetric, low-profile V-shaped profile Asymmetric offset: 2.6mm Weight options per rim: Normal 405±15g, Superlight 365±10g, or Ultralight 335±10g Tire setup: Hookless tubeless-compatible bead, verified with standard 6.5mm tubeless valves; supports tubeless or clincher tires from 32mm to 54mm wide Spoke drilling: Custom drilling available for straight-pull or J-bend spokes, with a 4.5mm nipple seat Testing and standard: EN 14781 compliant, tested to greater than 300kg forward compressive strength and greater than 280kg spoke tension Warranty: Three-year warranty for manufacturing defects How it Compares Feature This Product Why It Matters Outer Width 30mm Provides strong tire sidewall support and enhanced stability for 32–54mm gravel tires. Weight Options 405±15g (normal), 365±10g (superlight), 335±10g (ultralight) Allows riders to select the optimal balance of durability and lightweight performance for their specific needs. Asymmetric Profile 2.6mm offset, low-profile V-shape Improves spoke tension balance for a stronger, longer-lasting wheel with better handling on mixed terrain. Certifications EN 14781 compliant; tested \u0026gt;300kg compressive strength; \u0026gt;280kg spoke tension Verified standards and testing ensure safety, reliability, and lasting performance for demanding use. Material Toray T700\/T800 carbon fiber composite Uses high-grade carbon fiber for a strong, lightweight rim ideal for gravel and mixed terrain builds. Rim Compatibility Fits 700c \/ ISO 622 bikes; tubeless compatible; tire widths 32–54mm Supports a wide range of gravel and all-road setups without compatibility concerns. Recommended Use Cases Build an endurance gravel or bikepacking wheelset with the Normal tier for riders up to 120kg and higher-load riding. Build a gravel race or mixed-terrain wheelset with the Superlight tier for riders up to 100kg who want lower rotating weight for long events. Build a climbing-focused gravel wheelset with the Ultralight tier for riders up to 80kg, where the 335±10g rim weight is suited to competitive lightweight builds. Use in 700c gravel, endurance, or all-road builds running 32mm to 54mm tubeless or clincher tires. Specify a custom wheel build using straight-pull or J-bend spokes and requested spoke drilling. Choose the asymmetric profile for disc-brake wheel builds where improved spoke bracing angle and more balanced spoke tension are desired. Frequently Asked Questions What are the best lightweight carbon gravel rims for competitive cyclists? The Bola 700c Asymmetric 30mm Carbon Gravel Rim is designed for performance-focused gravel builds, with 365±10g superlight and 335±10g ultralight options. The superlight tier suits all-day gravel racing and mixed terrain, while the ultralight tier is intended for competitive climbing and lightweight builds with a rider weight limit of 80kg. Is this a good carbon rim for durable mixed-terrain gravel riding? Yes, the Bola 700c Asymmetric 30mm Carbon Gravel Rim offers a 405±15g normal tier for endurance gravel, bikepacking, and heavier loads up to 120kg. Its 2.6mm asymmetric offset is designed to improve spoke tension balance, and the rim is tested to more than 300kg compressive strength and more than 280kg spoke tension. What should I consider when choosing a lightweight 700c rim for a gravel wheelset? Choose the weight tier around rider weight, terrain, and intended use rather than weight alone. 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$1000 to $1800)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGravel racing and endurance rides with tubeless tires for maximum puncture resistance\u003c\/li\u003e\n\u003cli\u003eCyclocross competition where optimized spoke tension and lateral stiffness matter\u003c\/li\u003e\n\u003cli\u003eCross-country (XC) riding seeking lightweight rim options for improved acceleration\u003c\/li\u003e\n\u003cli\u003eTraining upgrades for riders replacing heavy stock alloy wheels\u003c\/li\u003e\n\u003cli\u003eAftermarket builds for gravel, adventure, and all-road bikes requiring disc-specific, modern-width carbon rims\u003c\/li\u003e\n\u003cli\u003eBulk supply for bike shops and brands seeking OEM\/ODM custom carbon rim sources\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat tire sizes are best for a 24mm inner width rim?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFor a 24mm inner width, 700c rim, tubeless or clincher tires from 32mm up to 50mm fit well, suiting gravel and mixed-surface setups.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does an asymmetric rim profile improve wheel performance?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAn asymmetric profile offsets the spoke holes, improving left\/right spoke tension balance in the finished wheel, increasing lateral stiffness and long-term durability—especially for disc brake wheels.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs 35mm rim depth suitable for gravel and cyclocross?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e35mm depth offers a balanced aerodynamic benefit while maintaining manageable crosswind handling, ideal for fast gravel, cyclocross, and endurance rides.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the difference between Standard, Superlight, Ultralight, and Extreme Light rim options?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe main difference is rim weight, impacting acceleration and climbing feel. Standard prioritizes durability (400±15g), Superlight and Ultralight reduce weight for racers, and Extreme Light (330±10g) is optimized for weight- and speed-focused builds. Each maintains ISO safety standards.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this rim compatible with all disc brake systems?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the rim is designed for disc brake use and is compatible with standard 700c disc brake hubs and rotor mounting standards.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c Asymmetric Carbon Rim, 35mm Deep, 24mm Inner, Tubeless\",\n  \"description\": \"This 700c asymmetric tubeless-ready carbon rim delivers aerodynamic stability, optimized spoke tension, and cross-discipline compatibility for gravel, cyclocross, and XC riders. The 35mm depth and 24mm inner width support modern tubeless setups, offering a balance of durability, performance, and lightweight design for real-world riding needs. Key Features \u0026amp; Specs Size: 700c (ETRTO 622mm diameter) Rim Depth: 35mm aerodynamic profile Inner Width: 24mm (optimized for 32-50mm tires) External Width: 30mm Material: High-strength carbon fiber (UD\/3K\/12K weave options) Weight Options: Standard (400±15g), Superlight (370±10g), Ultralight (350±10g), Extreme Light (330±10g) Rim Type: Asymmetric profile (improved spoke tension balance) Tubeless Ready: Yes (meets ISO 4210 Bicycle Safety standard) Brake Compatibility: Disc only Valve Compatibility: Presta Certifications: ISO 4210 Warranty: 3 years How it Compares Feature This Product Performance Model Rim Depth 35mm 40–45mm Rim Profile Asymmetric Symmetric or advanced aero shaping Inner Width 24mm 22–25mm Material High-modulus carbon (multiple weaves) High-modulus carbon (often proprietary blends) Weight (Standard) 400±15g 370–430g Certifications ISO 4210 ISO, sometimes UCI approved Brake Type Disc only Disc or disc\/rim (model dependent) Price Position Cost-effective, under $1000 Mid to high (\u0026gt; $1000 to $1800) Recommended Use Cases Gravel racing and endurance rides with tubeless tires for maximum puncture resistance Cyclocross competition where optimized spoke tension and lateral stiffness matter Cross-country (XC) riding seeking lightweight rim options for improved acceleration Training upgrades for riders replacing heavy stock alloy wheels Aftermarket builds for gravel, adventure, and all-road bikes requiring disc-specific, modern-width carbon rims Bulk supply for bike shops and brands seeking OEM\/ODM custom carbon rim sources Frequently Asked Questions What tire sizes are best for a 24mm inner width rim? For a 24mm inner width, 700c rim, tubeless or clincher tires from 32mm up to 50mm fit well, suiting gravel and mixed-surface setups. How does an asymmetric rim profile improve wheel performance? An asymmetric profile offsets the spoke holes, improving left\/right spoke tension balance in the finished wheel, increasing lateral stiffness and long-term durability—especially for disc brake wheels. Is 35mm rim depth suitable for gravel and cyclocross? 35mm depth offers a balanced aerodynamic benefit while maintaining manageable crosswind handling, ideal for fast gravel, cyclocross, and endurance rides. What's the difference between Standard, Superlight, Ultralight, and Extreme Light rim options? The main difference is rim weight, impacting acceleration and climbing feel. Standard prioritizes durability (400±15g), Superlight and Ultralight reduce weight for racers, and Extreme Light (330±10g) is optimized for weight- and speed-focused builds. Each maintains ISO safety standards. Is this rim compatible with all disc brake systems? 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profile and 30mm outer \/ 24–25mm inner width. Designed for road and gravel builds prioritising climbing efficiency, tubeless compatibility, and lateral stiffness.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eV-shape, 50mm height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e24mm or 25mm (specify at order)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e538mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Normal)\u003c\/td\u003e\n\u003ctd\u003e470 ± 15g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e430 ± 10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Ultralight)\u003c\/td\u003e\n\u003ctd\u003e400 ± 10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Extreme Light)\u003c\/td\u003e\n\u003ctd\u003e375 ± 10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g imbalance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Offset (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Offset (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° or 7° (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTyre Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Tier Guide — Which Option Is Right for Your Build?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal (470g):\u003c\/strong\u003e Recommended for all-day training and heavier riders up to 120 kg. Higher spoke tension tolerance provides long-term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperlight (430g):\u003c\/strong\u003e Balanced option for race-training hybrids where longevity and weight savings are both priorities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltralight (400g):\u003c\/strong\u003e Suited to competitive road events and climbers targeting sub-1,400g wheelset builds. Note: reduced layup thickness versus Normal tier — inspect regularly under hard training loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Light (375g):\u003c\/strong\u003e Race-day performance tier. Best for riders under 75 kg on smooth road surfaces. Not recommended for prolonged training use or rough tarmac.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e30mm Wide Rim — Tubeless Compatibility\u003c\/h2\u003e\n\u003cp\u003eA 30mm outer \/ 24–25mm inner width accommodates tubeless tyres from \u003cstrong\u003e25c to 32c\u003c\/strong\u003e, optimising the tyre profile for improved contact patch and cornering grip compared to narrower 19–21mm internal rims. The hookless-compatible bead seat design supports modern tubeless-ready (TLR) tyres at pressures up to 125 psi.\u003c\/p\u003e\n\u003ch2\u003eKnown Tradeoffs\u003c\/h2\u003e\n\u003cp\u003eThe 50mm rim height provides measurable aerodynamic advantage at speeds above 35 km\/h, but adds \u003cstrong\u003eapproximately 80–120g per rim\u003c\/strong\u003e versus a 35mm equivalent — a relevant consideration for technical climbing stages where rotating mass outweighs aero gain. Riders targeting pure climbing builds may prefer a 35mm profile; this 50mm rim is best suited to \u003cstrong\u003eflat-to-rolling terrain and criterium racing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the best carbon tubeless rim for lightweight road cycling builds?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFor a lightweight road build, the Ultralight (400g) or Extreme Light (375g) tiers of this rim pair well with 25c or 28c tubeless tyres. The 30mm outer width is wide enough to optimise tyre profile without adding unnecessary rim mass.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow much does rim weight affect climbing performance?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eRotating mass has approximately 1.5–2× the effect of static frame weight on climbing acceleration. Reducing each rim by 70g (Normal to Ultralight) saves roughly 140g of rotating mass per wheelset — measurable on sustained climbs above 6% gradient.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between 50mm and 60mm carbon rims for training?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003e50mm rims offer a better crosswind stability-to-aero balance for everyday training, particularly in variable wind conditions. 60mm rims deliver greater straight-line aero efficiency but are more sensitive to crosswinds above ~30 km\/h gusts.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre 30mm wide carbon rims better than 25mm for tubeless tyre grip?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, for tyres 25c and wider. A 30mm outer rim allows the tyre to assume a more rounded profile, improving the contact patch shape and reducing rolling resistance by approximately 3–5 watts at 40 km\/h versus a 23mm internal rim (based on published tyre manufacturer data).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat should I look for when buying ultralight carbon rims under 400g?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eVerify spoke hole tension rating (this rim: \u0026gt;280 kg), forward compressive strength (\u0026gt;300 kg), and flatness tolerance (\u0026lt;0.15mm). Confirm the weight tier is a per-rim figure, not per-pair, and check the maximum rider weight rating (this rim: 120 kg).\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAdvanced Design and Specifications\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c carbon tubeless rim is engineered for road bike riders who demand speed and reliability. Featuring a 50mm rim depth combined with a 30mm internal width, this rim optimizes aerodynamic efficiency and tire stability. Its ultralight weight ranges between 375g and 470g, making it easy to accelerate and maneuver on various road conditions. The tubeless design also enhances puncture resistance and rolling efficiency, providing riders with a smoother and faster ride. This rim's carbon construction ensures high strength while keeping the weight minimal, suitable for competitive and casual cyclists alike.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBenefits of Tubeless Technology\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eUtilizing tubeless compatibility, the 700c carbon tubeless rim allows riders to run lower tire pressures without risking pinch flats. This translates into improved traction and comfort on rough roads or during aggressive cornering. The tubeless setup reduces rolling resistance because there’s no inner tube to create friction. Additionally, it improves ride durability by minimizing puncture risks common with traditional tubes. For road cyclists prioritizing performance and reliability, this rim balances advanced technology with practical benefits, offering a superior riding experience that enhances endurance and speed.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Carbon Rim for Your Road Bike?\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChoosing this 700c carbon tubeless rim means investing in cutting-edge materials and design tailored for road cycling excellence. Its balance of aerodynamics and lightweight durability improves energy transfer efficiency, helping riders maintain higher speeds with less effort. The 30mm width accommodates wider tires, which enhances traction and comfort, ideal for long rides or variable surfaces. Furthermore, the rim’s robust carbon fiber construction stands up to the demands of spirited riding without compromising reliability. Whether upgrading your current setup or building a high-performance wheelset, this rim delivers a premium cycling experience.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c Carbon Tubeless Rim 50mm | 30mm Wide | Ultralight 375–470g | Road Bike\",\n  \"description\": \"Explore the High-Performance 700c Carbon Tubeless Rim for Road Bikes This 700c carbon tubeless rim delivers a verified weight range of 375g–470g per rim (four weight tiers available) across a 50mm aerodynamic profile and 30mm outer \/ 24–25mm inner width. Designed for road and gravel builds prioritising climbing efficiency, tubeless compatibility, and lateral stiffness. Technical Specifications Parameter Value Diameter 700c (ISO 622mm) Rim Profile V-shape, 50mm height Outer Width 30mm Inner Width 24mm or 25mm (specify at order) ERD 538mm Weight (Normal) 470 ± 15g per rim Weight (Superlight) 430 ± 10g per rim Weight (Ultralight) 400 ± 10g per rim Weight (Extreme Light) 375 ± 10g per rim Forward Compressive Strength \u0026gt;300 kg Lateral Torsion \u0026gt;50 kg Spoke Hole Tension \u0026gt;280 kg Dynamic Equilibrium \u0026lt;3g imbalance Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Valve Hole Diameter 6.5mm (customisable) Spoke Hole Diameter 4.5mm (customisable) Assembly Hole Diameter 7.5mm (customisable) Nipple Offset (Front) 7° Nipple Offset (Rear) 5° or 7° (customisable) Tyre Pressure Range 100–125 psi Max Rider Weight 120 kg Weight Tier Guide — Which Option Is Right for Your Build? Normal (470g): Recommended for all-day training and heavier riders up to 120 kg. Higher spoke tension tolerance provides long-term durability. Superlight (430g): Balanced option for race-training hybrids where longevity and weight savings are both priorities. Ultralight (400g): Suited to competitive road events and climbers targeting sub-1,400g wheelset builds. Note: reduced layup thickness versus Normal tier — inspect regularly under hard training loads. Extreme Light (375g): Race-day performance tier. Best for riders under 75 kg on smooth road surfaces. Not recommended for prolonged training use or rough tarmac. 30mm Wide Rim — Tubeless Compatibility A 30mm outer \/ 24–25mm inner width accommodates tubeless tyres from 25c to 32c , optimising the tyre profile for improved contact patch and cornering grip compared to narrower 19–21mm internal rims. The hookless-compatible bead seat design supports modern tubeless-ready (TLR) tyres at pressures up to 125 psi. Known Tradeoffs The 50mm rim height provides measurable aerodynamic advantage at speeds above 35 km\/h, but adds approximately 80–120g per rim versus a 35mm equivalent — a relevant consideration for technical climbing stages where rotating mass outweighs aero gain. Riders targeting pure climbing builds may prefer a 35mm profile; this 50mm rim is best suited to flat-to-rolling terrain and criterium racing . Frequently Asked Questions What is the best carbon tubeless rim for lightweight road cycling builds? For a lightweight road build, the Ultralight (400g) or Extreme Light (375g) tiers of this rim pair well with 25c or 28c tubeless tyres. The 30mm outer width is wide enough to optimise tyre profile without adding unnecessary rim mass. How much does rim weight affect climbing performance? Rotating mass has approximately 1.5–2× the effect of static frame weight on climbing acceleration. Reducing each rim by 70g (Normal to Ultralight) saves roughly 140g of rotating mass per wheelset — measurable on sustained climbs above 6% gradient. What is the difference between 50mm and 60mm carbon rims for training? 50mm rims offer a better crosswind stability-to-aero balance for everyday training, particularly in variable wind conditions. 60mm rims deliver greater straight-line aero efficiency but are more sensitive to crosswinds above ~30 km\/h gusts. Are 30mm wide carbon rims better than 25mm for tubeless tyre grip? Yes, for tyres 25c and wider. A 30mm outer rim allows the tyre to assume a more rounded profile, improving the contact patch shape and reducing rolling resistance by approximately 3–5 watts at 40 km\/h versus a 23mm internal rim (based on published tyre manufacturer data). What should I look for when buying ultralight carbon rims under 400g? Verify spoke hole tension rating (this rim: \u0026gt;280 kg), forward compressive strength (\u0026gt;300 kg), and flatness tolerance (\u0026lt;0.15mm). Confirm the weight tier is a per-rim figure, not per-pair, and check the maximum rider weight rating (this rim: 120 kg). Advanced Design and Specifications The 700c carbon tubeless rim is engineered for road bike riders who demand speed and reliability. Featuring a 50mm rim depth combined with a 30mm internal width, this rim optimizes aerodynamic efficiency and tire stability. Its ultralight weight ranges between 375g and 470g, making it easy to accelerate and maneuver on various road conditions. The tubeless design also enhances puncture resistance and rolling efficiency, providing riders with a smoother and faster ride. This rim's carbon construction ensures high strength while keeping the weight minimal, suitable for competitive and casual cyclists alike. Benefits of Tubeless Technology Utilizing tubeless compatibility, the 700c carbon tubeless rim allows riders to run lower tire pressures without risking pinch flats. This translates into improved traction and comfort on rough roads or during aggressive cornering. The tubeless setup reduces rolling resistance because there’s no inner tube to create friction. Additionally, it improves ride durability by minimizing puncture risks common with traditional tubes. For road cyclists prioritizing performance and reliability, this rim balances advanced technology with practical benefits, offering a superior riding experience that enhances endurance and speed. Why Choose This Carbon Rim for Your Road Bike? Choosing this 700c carbon tubeless rim means investing in cutting-edge materials and design tailored for road cycling excellence. Its balance of aerodynamics and lightweight durability improves energy transfer efficiency, helping riders maintain higher speeds with less effort. The 30mm width accommodates wider tires, which enhances traction and comfort, ideal for long rides or variable surfaces. Furthermore, the rim’s robust carbon fiber construction stands up to the demands of spirited riding without compromising reliability. 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wheels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCustom wheel builds for racing, endurance, or high-performance gravel bikes.\u003c\/li\u003e\n\u003cli\u003eRiders needing lightweight but robust rims for mixed or demanding conditions.\u003c\/li\u003e\n\u003cli\u003eSmall or medium cycling brands requiring a versatile, quality-assured carbon rim component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Design is optimized for high-endurance and racing scenarios but may show more impact deformation at pressure extremes compared with heavier alternatives.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48093035004158,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super 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Normal","offer_id":48093035266302,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48093035299070,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48093035331838,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48093035364606,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48093035397374,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48093035430142,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48093035462910,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48093035495678,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48093035528446,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48093035561214,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48093035593982,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48093035626750,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48093035659518,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48093035692286,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48093035725054,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48093035757822,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/650b_rims.jpg?v=1780298319"},{"product_id":"bola-27-5-carbon-gravel-rim-30mm-profile-25mm-inner-tubeless","title":"Bola 27.5\" Carbon Gravel Rim, 30mm Profile, 25mm Inner Width, Tubeless Ready","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the High-Performance 27.5 Carbon Gravel Rim by Bola\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDirect answer:\u003c\/strong\u003e The Bola 27.5\" carbon gravel rim features a 30mm aerodynamic profile and 25mm internal width, engineered for competitive gravel and all-terrain cycling. Compatible with tires 1.9\"–2.4\", its tubeless-ready, hookless-compatible design delivers stability, low rolling resistance, and improved puncture protection on diverse surfaces. Available in Standard (395g ±15g) and Superlight (355g ±10g) layups—both precision-built with extensive quality controls and custom drill options.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e27.5\" (650B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile Height\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Outer Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Inner Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e540mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Standard)\u003c\/td\u003e\n\u003ctd\u003e395 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e355 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eV-shape, Hookless Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole\u003c\/td\u003e\n\u003ctd\u003e6.5mm (custom options available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh modulus carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Compatibility\u003c\/td\u003e\n\u003ctd\u003e1.9\"–2.4\" (tubeless, clincher)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Brake\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eUse-Case Comparison\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravel and mixed terrain\u003c\/strong\u003e: Wide 25mm internal width supports stability and optimal tire shape for unpaved roads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance and light trail\u003c\/strong\u003e: Low rim weight enables responsive handling and acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional and custom builds\u003c\/strong\u003e: Factory drilling supports unique hub\/drive configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs a 25mm inner width rim good for gravel riding?\u003c\/strong\u003e\u003cbr\u003eYes. 25mm inner width enhances tire support for gravel tires (1.9\"–2.4\"), improving grip and reducing pinch flats on rough or variable surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does 30mm rim depth compare to 40mm?\u003c\/strong\u003e\u003cbr\u003e30mm offers a balance of low aerodynamic drag and responsive handling; deeper profiles increase aerodynamic efficiency but may add weight and stiffness, impacting comfort and acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre these rims certified or lab-tested?\u003c\/strong\u003e\u003cbr\u003eEach rim is batch-tested for maximum spoke tension (\u0026gt;280kg) and impact (per ISO 4210) as part of our QC program.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre tubeless carbon rims beneficial for 27.5 inch builds?\u003c\/strong\u003e\u003cbr\u003eYes, they enable lower tire pressures, reduce puncture risk, and improve comfort and performance for both gravel and MTB uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShould I choose Superlight or Standard?\u003c\/strong\u003e\u003cbr\u003eSuperlight rims (355g) support ultra-light builds for race-focused performance; Standard (395g) provides robust durability with minimal weight trade-off. Actual selection depends on rider weight, use-case, and desired wheel characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and Quality Assurance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years, structural defects covered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Options:\u003c\/strong\u003e Drilling patterns and finish customization supported for OEM\/brand builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Durable Carbon Construction\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola 27.5 carbon gravel rim offers an exceptional balance of lightweight design and rugged durability. Crafted from high-quality carbon fiber, this rim ensures strength without the added weight, making it ideal for demanding gravel terrains. The 30mm profile enhances stiffness while maintaining flexibility to absorb vibrations, improving rider comfort. Whether navigating rough trails or long-distance rides, this carbon gravel rim provides reliable performance that enhances your overall cycling experience.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Width for Stability and Tire Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 25mm inner width, the Bola 27.5 carbon gravel rim is optimized for a wide range of tires, enhancing stability and grip on varied surfaces. This width supports wider tires, allowing riders to run lower pressures for better traction and comfort on gravel and mixed terrain. The thoughtful dimensions contribute to an ideal footprint for off-road conditions, providing confidence and control without sacrificing speed or agility.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTubeless Ready Technology for Enhanced Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned to be tubeless ready, the Bola 27.5 carbon gravel rim simplifies the setup of tubeless tires, reducing the risk of flats and improving ride quality. Tubeless technology allows for lower tire pressures, resulting in better traction and cushioning on rough gravel paths. Additionally, it enhances rolling efficiency and reduces weight compared to traditional tube setups. This rim’s seamless integration with tubeless systems makes it a go-to choice for serious gravel riders looking for reliable and advanced performance features.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48093041000702,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48093041033470,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48093041066238,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48093041099006,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48093041131774,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48093041164542,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48093041197310,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48093041230078,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48093041262846,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48093041295614,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48093041328382,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48093041361150,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48093041393918,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48093041426686,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48093041459454,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48093041492222,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48093041524990,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48093041557758,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48093041590526,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48093041623294,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48093041656062,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48093041688830,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48093041721598,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48093041754366,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29er_rims.png?v=1780298321"},{"product_id":"asymmetric-carbon-29er-mtb-rim-23mm-high-26mm-inner-width-xc-trail-300-370g-bola","title":"Asymmetric Carbon 29er MTB Rim – 23mm High, 26mm Inner Width, XC \u0026 Trail, 300–370g (Bola)","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the Performance of the Asymmetric Carbon 29er MTB Rim\u003c\/h2\u003e\n\u003cp\u003eThis asymmetric carbon rim delivers a \u003cstrong\u003e23mm profile height\u003c\/strong\u003e and \u003cstrong\u003e26mm inner width\u003c\/strong\u003e in a 29-inch format, purpose-built for cross-country racing and all-mountain trail riding. Available in three weight tiers: \u003cstrong\u003eNormal (370 ±15g)\u003c\/strong\u003e, \u003cstrong\u003eSuperlight (325 ±10g)\u003c\/strong\u003e, and \u003cstrong\u003eUltralight (300 ±10g)\u003c\/strong\u003e per rim.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e29er (ERD: 589mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile Height\u003c\/td\u003e\n\u003ctd\u003e23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape (asymmetric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Normal\u003c\/td\u003e\n\u003ctd\u003e370 ±15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e325 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Ultralight\u003c\/td\u003e\n\u003ctd\u003e300 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle\u003c\/td\u003e\n\u003ctd\u003eLeft 5°, Right 7° (or custom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (or custom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (or custom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (or custom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e45–65 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDesign Rationale: Why Asymmetric?\u003c\/h2\u003e\n\u003cp\u003eThe asymmetric spoke bed offsets the spoke holes to equalise tension between drive-side and non-drive-side spokes. This reduces the spoke tension differential — a known cause of wheel fatigue and spoke breakage — resulting in a more durable, more evenly loaded wheel structure. The 26mm inner width accommodates 2.2–2.6-inch tubeless tires with an optimal casing spread for grip and rolling efficiency on XC and trail terrain.\u003c\/p\u003e\n\u003ch2\u003eWeight Tier Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTier\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eTradeoff\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e370 ±15g\u003c\/td\u003e\n\u003ctd\u003eEnduro, aggressive trail, heavier riders\u003c\/td\u003e\n\u003ctd\u003eHeavier, but maximises structural margin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e325 ±10g\u003c\/td\u003e\n\u003ctd\u003eAll-mountain, trail racing\u003c\/td\u003e\n\u003ctd\u003eBalanced weight-to-durability ratio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e300 ±10g\u003c\/td\u003e\n\u003ctd\u003eXC racing, weight-optimised builds\u003c\/td\u003e\n\u003ctd\u003eThinner layup; suits riders under 75kg and smoother XC trails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: The Ultralight variant is optimised for competitive XC use. Riders above 80kg or riding highly technical, rock-heavy terrain are advised to select the Normal or Superlight tier to maintain structural safety margins.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCustomisation Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpoke hole count: configurable on request\u003c\/li\u003e\n\u003cli\u003eValve hole diameter: 6.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eSpoke hole diameter: 4.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eAssembly hole diameter: 7.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eNipple angle: Left 5° \/ Right 7° standard or custom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire widths are compatible with this rim's 26mm inner width?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA 26mm inner width is ETRTO-compatible with 2.2–2.6-inch (56–66mm) mountain bike tires. It provides an optimal casing spread for both XC race and trail-oriented tires at 45–65 psi tubeless pressures.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between the Ultralight and Normal weight versions?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Ultralight (300 ±10g) uses a thinner carbon layup to reduce weight for XC racing. The Normal (370 ±15g) uses a thicker layup for greater impact resistance. Both share identical spoke tension strength (\u0026gt;280kg) and forward compressive strength (\u0026gt;300kg).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre asymmetric rims worth it for 29er XC and trail builds?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Asymmetric rims equalise drive-side and non-drive-side spoke tension, reducing fatigue-related spoke failure — a measurable advantage in 29er builds where the larger wheel diameter increases spoke tension variance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this rim tubeless-ready?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe U-shape profile and 6.5mm valve hole are compatible with tubeless setups. A tubeless rim tape and valve are required and not included.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the maximum rider weight?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe rated maximum rider weight is 100kg across all weight tiers. Riders approaching this limit are recommended to select the Normal weight variant for maximum structural margin.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes Bola offer a warranty on these rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Bola provides a three-year warranty covering manufacturing defects on carbon rims.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInnovative Asymmetric Design for Enhanced Strength\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe asymmetric carbon 29er MTB rim is engineered to provide superior wheel strength and durability. By offsetting the spoke bed, it balances spoke tension more evenly on both sides of the wheel, reducing stress and improving overall stability. This design advantage reduces the risk of rim deformation during aggressive trail and XC rides. Coupled with advanced carbon fiber technology, the rim offers a robust yet lightweight structure, ensuring you can ride hard without worrying about wheel performance. This innovation makes it a top choice for riders seeking reliability on demanding terrain.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Dimensions for Versatile Trail and XC Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 23mm height and a 26mm inner width, this asymmetric carbon 29er MTB rim provides an ideal profile for mountain biking enthusiasts. The 26mm inner width accommodates a wide range of tire sizes, enhancing traction and control on varied surfaces. This balance ensures the rim can handle both cross-country speed and technical trail maneuvers effectively. Riders will appreciate the responsive handling and improved tire stability that these dimensions offer, allowing for confident riding in diverse conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Construction to Boost Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWeighing between 300 and 370 grams, the asymmetric carbon 29er MTB rim is designed to reduce rotational weight, which directly improves acceleration and climbing efficiency. The use of premium carbon fiber materials ensures that the rim remains lightweight without compromising strength. Reduced weight also lowers rider fatigue during long rides and enhances bike agility. This rim is an excellent upgrade for riders seeking to optimize their bike’s performance on both competitive and recreational rides.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48129001586942,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48129001619710,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48129001652478,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48129001685246,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48129001718014,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48129001750782,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48129001783550,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48129001816318,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48129001849086,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48129001881854,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48129001914622,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48129001947390,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48129001980158,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48129002012926,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48129002045694,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48129002078462,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48129002111230,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48129002143998,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48129002176766,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48129002209534,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48129002242302,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48129002275070,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48129002307838,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48129002340606,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_tubeless_carbon_rims_dbb71e39-931f-42f9-bc76-a1c42121f33e.png?v=1780298324"},{"product_id":"29er-hookless-carbon-mtb-rim-23mm-profile-28mm-inner-width-tubeless-ready-300-375g","title":"29er Carbon Mountain Bike Rim, 28mm Inner Width Hookless Tubeless Ready, 23mm Profile, 300–375g","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the Advantages of the 29er Carbon MTB Rim\u003c\/h2\u003e\n\u003cp\u003eThe Bola MTB34-C23-29 is a hookless, tubeless-compatible carbon fiber rim engineered for 29-inch cross-country and trail mountain bikes. At 300–375g per rim depending on layup grade, it offers a verified weight advantage over comparable alloy rims (typically 450–550g) while maintaining structural integrity for riders up to 100kg.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e29er (ISO 622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile Height\u003c\/td\u003e\n\u003ctd\u003e23mm (low-profile XC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD (Effective Rim Diameter)\u003c\/td\u003e\n\u003ctd\u003e592mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape hookless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Standard\u003c\/td\u003e\n\u003ctd\u003e375 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e330 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Ultralight\u003c\/td\u003e\n\u003ctd\u003e300 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e45–65 psi (hookless limit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Strength Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium (imbalance):\u003c\/strong\u003e \u0026lt;3g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHookless Design — What It Means for Your Build\u003c\/h2\u003e\n\u003cp\u003eHookless rims omit the traditional bead hook, reducing rim wall mass and enabling a more uniform carbon layup. This design is compatible with tubeless-ready tires that meet ETRTO hookless standards. \u003cstrong\u003eImportant:\u003c\/strong\u003e hookless rims require tubeless-specific tires and are limited to a maximum tire pressure of 65 psi. Clincher tires with inner tubes are not recommended on this rim.\u003c\/p\u003e\n\u003ch2\u003eCompatible Tire Widths\u003c\/h2\u003e\n\u003cp\u003eThe 28mm inner width is optimized for 2.1–2.4 inch (53–61mm) XC and trail tires. This width improves tire casing support, reduces pinch flat risk, and promotes a rounder tire profile for better cornering traction on hardpack and loose terrain.\u003c\/p\u003e\n\u003ch2\u003eWeight Grade Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard (375 ± 15g):\u003c\/strong\u003e Best for trail and endurance riders prioritizing durability over minimum weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperlight (330 ± 10g):\u003c\/strong\u003e Balanced option for competitive XC riders seeking rotational weight savings without maximum layup risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltralight (300 ± 10g):\u003c\/strong\u003e Race-optimized layup for sub-100kg XC racers on groomed or low-impact terrain. Reduced impact tolerance compared to standard grade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKnown Tradeoffs\u003c\/h2\u003e\n\u003cp\u003eWhile the hookless construction saves weight and simplifies layup consistency, it caps maximum tire pressure at 65 psi and requires ETRTO-compliant tubeless tires. Riders requiring pressures above 65 psi or using clincher tires should select a hooked-bead carbon rim instead.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: How light should a carbon 29er rim be for competitive XC racing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Most competitive XC rims weigh between 280–360g. This rim's ultralight grade at 300 ± 10g sits within that range, while the superlight grade (330g) offers a more durable race option.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Is a 28mm inner width good for tubeless mountain bike tires?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes. ETRTO and most tire manufacturers recommend 25–30mm inner width for 2.1–2.4 inch MTB tires. At 28mm, this rim is well-positioned for XC and light trail use.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the difference between hookless and hooked carbon rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Hooked rims have a retaining bead that supports higher pressure and is compatible with standard clincher tires. Hookless rims require tubeless-ready tires, limit pressure to 65 psi, and achieve slightly lower rim weight through a cleaner carbon layup.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Are hookless carbon rims safe for aggressive trail riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: This rim is rated for riders up to 100kg and supports compressive loads exceeding 300kg. It is suitable for XC and light trail use. For aggressive enduro or downhill terrain with high-impact forces, a taller-profile, heavier-layup rim is recommended.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Can spoke count and hole diameter be customized?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes. Spoke hole diameter (standard 4.5mm), valve hole diameter (6.5mm), assembly hole (7.5mm), and nipple offset angles are all available in custom configurations. Contact the manufacturer with your build specification.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Hookless Design for Superior Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er carbon MTB rim features a hookless design that significantly reduces weight while enhancing durability. Weighing between 300 and 375 grams, this rim is engineered for riders seeking high performance without sacrificing strength. The absence of hooks not only allows smoother tire seating but also improves impact resistance, making it ideal for rough mountain trails. With a streamlined 23mm profile, the rim optimizes rolling efficiency and provides excellent bike handling, offering riders a competitive edge in various off-road conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal 28mm Inner Width for Tire Compatibility and Stability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 28mm inner width, this 29er carbon MTB rim perfectly balances tire volume and sidewall support. This width accommodates a wide range of tire sizes, allowing mountain bikers to customize their setup for different terrains. The wider rim ensures better tire stability at lower pressures, increasing traction and reducing the risk of pinch flats. Enhanced tire support also contributes to improved control and comfort, making it a versatile choice for aggressive trail riding or cross-country adventures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTubeless Ready Technology for Improved Ride and Efficiency\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis 29er carbon MTB rim comes tubeless ready, enabling seamless installation of tubeless tires. Tubeless setups reduce rolling resistance and allow riders to run lower tire pressures without flats, resulting in better grip and a smoother ride. The rim’s precise bead seat design ensures an airtight seal, simplifying maintenance and tire changes. By eliminating inner tubes, the rim reduces overall bike weight and boosts efficiency, making it an excellent choice for mountain bikers looking for reliability and performance enhancements.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er Hookless Carbon MTB Rim – 23mm Profile, 28mm Inner Width, Tubeless Ready, 300–375g\",\n  \"description\": \"Explore the Advantages of the 29er Carbon MTB Rim The Bola MTB34-C23-29 is a hookless, tubeless-compatible carbon fiber rim engineered for 29-inch cross-country and trail mountain bikes. At 300–375g per rim depending on layup grade, it offers a verified weight advantage over comparable alloy rims (typically 450–550g) while maintaining structural integrity for riders up to 100kg. Key Specifications Specification Value Rim Diameter 29er (ISO 622mm BSD) Rim Profile Height 23mm (low-profile XC) Inner Width 28mm Outer Width 34mm ERD (Effective Rim Diameter) 592mm Rim Shape U-shape hookless Weight — Standard 375 ± 15g Weight — Superlight 330 ± 10g Weight — Ultralight 300 ± 10g Tire Pressure Range 45–65 psi (hookless limit) Max Rider Weight 100kg Spoke Hole Diameter 4.5mm (customizable) Valve Hole Diameter 6.5mm (customizable) Assembly Hole Diameter 7.5mm (customizable) Nipple Direction Left 5° \/ Right 7° (customizable) Structural Strength Data Forward Compressive Strength: \u0026gt;300kg Lateral Torsion Resistance: \u0026gt;50kg Spoke Hole Tension: \u0026gt;280kg Dynamic Equilibrium (imbalance): \u0026lt;3g Flatness Tolerance: \u0026lt;0.15mm Roundness Tolerance: \u0026lt;0.3mm Hookless Design — What It Means for Your Build Hookless rims omit the traditional bead hook, reducing rim wall mass and enabling a more uniform carbon layup. This design is compatible with tubeless-ready tires that meet ETRTO hookless standards. Important: hookless rims require tubeless-specific tires and are limited to a maximum tire pressure of 65 psi. Clincher tires with inner tubes are not recommended on this rim. Compatible Tire Widths The 28mm inner width is optimized for 2.1–2.4 inch (53–61mm) XC and trail tires. This width improves tire casing support, reduces pinch flat risk, and promotes a rounder tire profile for better cornering traction on hardpack and loose terrain. Weight Grade Options Standard (375 ± 15g): Best for trail and endurance riders prioritizing durability over minimum weight. Superlight (330 ± 10g): Balanced option for competitive XC riders seeking rotational weight savings without maximum layup risk. Ultralight (300 ± 10g): Race-optimized layup for sub-100kg XC racers on groomed or low-impact terrain. Reduced impact tolerance compared to standard grade. Known Tradeoffs While the hookless construction saves weight and simplifies layup consistency, it caps maximum tire pressure at 65 psi and requires ETRTO-compliant tubeless tires. Riders requiring pressures above 65 psi or using clincher tires should select a hooked-bead carbon rim instead. Frequently Asked Questions Q: How light should a carbon 29er rim be for competitive XC racing? A: Most competitive XC rims weigh between 280–360g. This rim's ultralight grade at 300 ± 10g sits within that range, while the superlight grade (330g) offers a more durable race option. Q: Is a 28mm inner width good for tubeless mountain bike tires? A: Yes. ETRTO and most tire manufacturers recommend 25–30mm inner width for 2.1–2.4 inch MTB tires. At 28mm, this rim is well-positioned for XC and light trail use. Q: What is the difference between hookless and hooked carbon rims? A: Hooked rims have a retaining bead that supports higher pressure and is compatible with standard clincher tires. Hookless rims require tubeless-ready tires, limit pressure to 65 psi, and achieve slightly lower rim weight through a cleaner carbon layup. Q: Are hookless carbon rims safe for aggressive trail riding? A: This rim is rated for riders up to 100kg and supports compressive loads exceeding 300kg. It is suitable for XC and light trail use. For aggressive enduro or downhill terrain with high-impact forces, a taller-profile, heavier-layup rim is recommended. Q: Can spoke count and hole diameter be customized? A: Yes. Spoke hole diameter (standard 4.5mm), valve hole diameter (6.5mm), assembly hole (7.5mm), and nipple offset angles are all available in custom configurations. Contact the manufacturer with your build specification. Lightweight Hookless Design for Superior Performance The 29er carbon MTB rim features a hookless design that significantly reduces weight while enhancing durability. Weighing between 300 and 375 grams, this rim is engineered for riders seeking high performance without sacrificing strength. The absence of hooks not only allows smoother tire seating but also improves impact resistance, making it ideal for rough mountain trails. With a streamlined 23mm profile, the rim optimizes rolling efficiency and provides excellent bike handling, offering riders a competitive edge in various off-road conditions. Optimal 28mm Inner Width for Tire Compatibility and Stability With a 28mm inner width, this 29er carbon MTB rim perfectly balances tire volume and sidewall support. This width accommodates a wide range of tire sizes, allowing mountain bikers to customize their setup for different terrains. The wider rim ensures better tire stability at lower pressures, increasing traction and reducing the risk of pinch flats. Enhanced tire support also contributes to improved control and comfort, making it a versatile choice for aggressive trail riding or cross-country adventures. Tubeless Ready Technology for Improved Ride and Efficiency This 29er carbon MTB rim comes tubeless ready, enabling seamless installation of tubeless tires. Tubeless setups reduce rolling resistance and allow riders to run lower tire pressures without flats, resulting in better grip and a smoother ride. The rim’s precise bead seat design ensures an airtight seal, simplifying maintenance and tire changes. By eliminating inner tubes, the rim reduces overall bike weight and boosts efficiency, making it an excellent choice for mountain bikers looking for reliability and performance enhancements.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_29_inch_carbon_rims_bd3419a0-f7f9-441b-8f41-ab30904360ce.png?v=1780298328\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/1_b6cdc758-3f33-49cb-9dd0-2f6989de9d2a.png?v=1780298327\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/hookless.jpg?v=1780298327\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/c238156fe23c658ff9e34906f01f85a1_898391da-917b-4b66-8e37-0478e5f4cca2.png?v=1780298270\",\n    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The 30mm inner width supports modern high-volume tyres (2.2–2.6 in) at pressures between 45 and 65 psi, while the 23mm profile keeps rotational weight low without sacrificing lateral stiffness. Available in three weight tiers: \u003cstrong\u003eStandard (380 ± 15 g)\u003c\/strong\u003e, \u003cstrong\u003eSuperlight (330 ± 10 g)\u003c\/strong\u003e, and \u003cstrong\u003eUltralight (300 ± 10 g)\u003c\/strong\u003e per rim.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e29er (700c compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape (hooked)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD (Effective Rim Diameter)\u003c\/td\u003e\n\u003ctd\u003e592 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight – Standard\u003c\/td\u003e\n\u003ctd\u003e380 ± 15 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight – Superlight\u003c\/td\u003e\n\u003ctd\u003e330 ± 10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight – Ultralight\u003c\/td\u003e\n\u003ctd\u003e300 ± 10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 300 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Imbalance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (asymmetric offset; customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tyre Pressure\u003c\/td\u003e\n\u003ctd\u003e45 \/ 65 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDesign Tradeoffs to Know Before You Buy\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e23mm rim height vs. deeper profiles:\u003c\/strong\u003e A shallower 23mm section reduces aerodynamic drag penalty in technical terrain and saves 30–60 g versus 30–35mm profiles. It is not optimised for road-style speed riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30mm inner width:\u003c\/strong\u003e Supports tyres from approximately 2.2 to 2.6 in. Riders using tyres narrower than 2.1 in may experience reduced tyre-sidewall support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsymmetric offset (left 5° \/ right 7°):\u003c\/strong\u003e Corrects spoke-tension imbalance on rear wheels driven by cassette offset, improving wheel trueness and fatigue life. Requires asymmetric-aware wheel building.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHooked bead (U-shape):\u003c\/strong\u003e Compatible with both clincher and tubeless-ready tyres. Not a hookless rim — standard clincher and tubeless tyres are fully supported.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 kg rider weight limit:\u003c\/strong\u003e Suits XC and trail riders. Heavier enduro or downhill riders should consider a higher-volume, reinforced rim model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible Riding Styles\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Country (XC) Racing:\u003c\/strong\u003e Ultralight tier (300 ± 10 g) delivers competitive weight savings for race-day builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrail \u0026amp; All-Mountain (AM):\u003c\/strong\u003e Standard or Superlight tier balances durability and weight across mixed terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBikepacking \/ Gravel 29er:\u003c\/strong\u003e 30mm inner width and 592mm ERD accommodate wide-volume tyres suited to loaded touring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 23mm high carbon rim strong enough for aggressive all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, for riders under 100 kg. The rim tests at \u0026gt;300 kg forward compressive strength and \u0026gt;50 kg lateral torsion resistance. For sustained rock-garden impacts at heavier rider weights, a 25–30mm profile rim is recommended.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does this rim's weight compare to aluminium 29er rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA quality double-wall aluminium 29er rim typically weighs 450–550 g. The Ultralight tier of this rim (300 ± 10 g) saves approximately 150–250 g per rim — roughly 300–500 g per wheelset — which measurably reduces rotational inertia for climbing and acceleration.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tyres fit a 30mm inner-width rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eETRTO guidelines recommend tyres of 2.2–2.6 in (57–66 mm) for a 30mm inner width. Narrower tyres may balloon; wider tyres may exceed bead-seat integrity at maximum pressure.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan this rim be built tubeless?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The hooked U-shape bead and 6.5mm valve hole are tubeless-ready when paired with a tubeless-compatible tyre, rim tape, and valve. Tubeless conversion kit sold separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs custom drilling or spoke count available?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Spoke hole diameter (default 4.5 mm), valve hole diameter (default 6.5 mm), assembly hole diameter (default 7.5 mm), and nipple angle are all customisable. Contact the manufacturer with build specifications.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePrecision Engineering for Enhanced Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe asymmetric carbon 29er rim is designed to elevate your mountain biking experience by offering an optimized balance of strength and weight. Featuring a 23mm rim height and a wide 30mm inner width, this rim improves tire stability and traction across diverse terrains. The asymmetric design enhances spoke tension, reducing stress on the wheel and increasing overall durability, making it ideal for both cross-country (XC) and all-mountain riding styles. Weighing between 300 and 380 grams, it provides a lightweight solution without compromising structural integrity, ensuring smooth and efficient rides.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMaterial and Build Quality: Carbon Advantage\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eConstructed from premium carbon fiber, this 29er rim is engineered to deliver superior stiffness and impact resistance. Carbon's high strength-to-weight ratio reduces rotational mass, translating to quicker acceleration and easier climbing on rugged trails. The asymmetric profile not only balances spoke pull but also contributes to a more predictable handling experience. Additionally, carbon construction offers excellent vibration dampening, enhancing rider comfort over long-distance rides. This rim’s robust build is tailored specifically for riders who demand both performance and reliability on challenging MTB routes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eVersatility for XC and All-Mountain Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWhether you're navigating technical XC trails or tackling demanding all-mountain routes, the asymmetric carbon 29er rim adapts seamlessly. Its 30mm inner width accommodates a wide range of tire sizes, supporting better traction and control. The 23mm rim height offers a perfect balance, providing enough sidewall support for aggressive riding while maintaining a lightweight form factor for endurance. This rim’s design enhances the wheel’s overall stiffness and resilience, making it a practical choice for riders who require a dependable, high-performance rim for varied terrains and riding conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Asymmetric Carbon 29er MTB Rim – 23mm High, 30mm Inner Width, 300–380g (XC \/ All-Mountain)\",\n  \"description\": \"Why Choose an Asymmetric Carbon 29er Rim for Your MTB? This hooked asymmetric carbon rim is designed for 29-inch mountain bike wheels used in cross-country (XC) racing and all-mountain (AM) riding. The 30mm inner width supports modern high-volume tyres (2.2–2.6 in) at pressures between 45 and 65 psi, while the 23mm profile keeps rotational weight low without sacrificing lateral stiffness. Available in three weight tiers: Standard (380 ± 15 g) , Superlight (330 ± 10 g) , and Ultralight (300 ± 10 g) per rim. Key Specifications Specification Value Wheel Size 29er (700c compatible) Rim Shape U-shape (hooked) Rim Height 23 mm Outer Width 36 mm Inner Width 30 mm ERD (Effective Rim Diameter) 592 mm Weight – Standard 380 ± 15 g Weight – Superlight 330 ± 10 g Weight – Ultralight 300 ± 10 g Forward Compressive Strength \u0026gt; 300 kg Lateral Torsion Resistance \u0026gt; 50 kg Spoke Hole Tension \u0026gt; 280 kg Dynamic Imbalance \u0026lt; 3 g Flatness Tolerance \u0026lt; 0.15 mm Roundness Tolerance \u0026lt; 0.3 mm Valve Hole Diameter 6.5 mm (customisable) Spoke Hole Diameter 4.5 mm (customisable) Assembly Hole Diameter 7.5 mm (customisable) Nipple Angle Left 5° \/ Right 7° (asymmetric offset; customisable) Min \/ Max Tyre Pressure 45 \/ 65 psi Max Rider Weight 100 kg Design Tradeoffs to Know Before You Buy 23mm rim height vs. deeper profiles: A shallower 23mm section reduces aerodynamic drag penalty in technical terrain and saves 30–60 g versus 30–35mm profiles. It is not optimised for road-style speed riding. 30mm inner width: Supports tyres from approximately 2.2 to 2.6 in. Riders using tyres narrower than 2.1 in may experience reduced tyre-sidewall support. Asymmetric offset (left 5° \/ right 7°): Corrects spoke-tension imbalance on rear wheels driven by cassette offset, improving wheel trueness and fatigue life. Requires asymmetric-aware wheel building. Hooked bead (U-shape): Compatible with both clincher and tubeless-ready tyres. Not a hookless rim — standard clincher and tubeless tyres are fully supported. 100 kg rider weight limit: Suits XC and trail riders. Heavier enduro or downhill riders should consider a higher-volume, reinforced rim model. Compatible Riding Styles Cross-Country (XC) Racing: Ultralight tier (300 ± 10 g) delivers competitive weight savings for race-day builds. Trail \u0026amp; All-Mountain (AM): Standard or Superlight tier balances durability and weight across mixed terrain. Bikepacking \/ Gravel 29er: 30mm inner width and 592mm ERD accommodate wide-volume tyres suited to loaded touring. Frequently Asked Questions Is a 23mm high carbon rim strong enough for aggressive all-mountain riding? Yes, for riders under 100 kg. The rim tests at \u0026gt;300 kg forward compressive strength and \u0026gt;50 kg lateral torsion resistance. For sustained rock-garden impacts at heavier rider weights, a 25–30mm profile rim is recommended. How does this rim's weight compare to aluminium 29er rims? A quality double-wall aluminium 29er rim typically weighs 450–550 g. The Ultralight tier of this rim (300 ± 10 g) saves approximately 150–250 g per rim — roughly 300–500 g per wheelset — which measurably reduces rotational inertia for climbing and acceleration. What tyres fit a 30mm inner-width rim? ETRTO guidelines recommend tyres of 2.2–2.6 in (57–66 mm) for a 30mm inner width. Narrower tyres may balloon; wider tyres may exceed bead-seat integrity at maximum pressure. Can this rim be built tubeless? Yes. The hooked U-shape bead and 6.5mm valve hole are tubeless-ready when paired with a tubeless-compatible tyre, rim tape, and valve. Tubeless conversion kit sold separately. Is custom drilling or spoke count available? Yes. Spoke hole diameter (default 4.5 mm), valve hole diameter (default 6.5 mm), assembly hole diameter (default 7.5 mm), and nipple angle are all customisable. Contact the manufacturer with build specifications. Precision Engineering for Enhanced Performance The asymmetric carbon 29er rim is designed to elevate your mountain biking experience by offering an optimized balance of strength and weight. Featuring a 23mm rim height and a wide 30mm inner width, this rim improves tire stability and traction across diverse terrains. The asymmetric design enhances spoke tension, reducing stress on the wheel and increasing overall durability, making it ideal for both cross-country (XC) and all-mountain riding styles. Weighing between 300 and 380 grams, it provides a lightweight solution without compromising structural integrity, ensuring smooth and efficient rides. Material and Build Quality: Carbon Advantage Constructed from premium carbon fiber, this 29er rim is engineered to deliver superior stiffness and impact resistance. Carbon's high strength-to-weight ratio reduces rotational mass, translating to quicker acceleration and easier climbing on rugged trails. The asymmetric profile not only balances spoke pull but also contributes to a more predictable handling experience. Additionally, carbon construction offers excellent vibration dampening, enhancing rider comfort over long-distance rides. This rim’s robust build is tailored specifically for riders who demand both performance and reliability on challenging MTB routes. Versatility for XC and All-Mountain Riding Whether you're navigating technical XC trails or tackling demanding all-mountain routes, the asymmetric carbon 29er rim adapts seamlessly. Its 30mm inner width accommodates a wide range of tire sizes, supporting better traction and control. The 23mm rim height offers a perfect balance, providing enough sidewall support for aggressive riding while maintaining a lightweight form factor for endurance. 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The 29mm inner width accommodates 2.3–2.6\" tires at recommended pressures of \u003cstrong\u003e45–65 psi\u003c\/strong\u003e, and the asymmetric (offset) spoke bed improves tension balance on the drive side by evening spoke angles across the wheel.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e29\" (622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile (Height)\u003c\/td\u003e\n\u003ctd\u003e20mm (low profile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e598mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Standard\u003c\/td\u003e\n\u003ctd\u003e370g ±15g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e325g ±10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape (hookless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBead Type\u003c\/td\u003e\n\u003ctd\u003eHookless (tubeless only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (offset; customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e45 psi (min) – 65 psi (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Strength Testing Results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium (imbalance):\u003c\/strong\u003e \u0026lt;3g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRide Discipline Fit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Country (XC):\u003c\/strong\u003e The superlight 325g option and low 20mm profile minimize rotational weight, reducing energy cost on climbs. Pairs well with 2.2–2.4\" XC tires at 50–65 psi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Mountain (AM):\u003c\/strong\u003e The 29mm inner width supports high-volume 2.4–2.6\" casings for better cornering stability and compliance on technical terrain. Recommended tire pressure: 45–52 psi.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHookless vs. Hooked Rim — Key Tradeoffs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHookless (this rim)\u003c\/th\u003e\n\u003cth\u003eHooked\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBead compatibility\u003c\/td\u003e\n\u003ctd\u003eTubeless-only tires (check tire manufacturer approval)\u003c\/td\u003e\n\u003ctd\u003eTubeless and clincher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum tire pressure\u003c\/td\u003e\n\u003ctd\u003e65 psi (as specified)\u003c\/td\u003e\n\u003ctd\u003eTypically higher (varies)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim wall weight\u003c\/td\u003e\n\u003ctd\u003eLower (no bead hook machining)\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim structural integrity\u003c\/td\u003e\n\u003ctd\u003eRequires tubeless-rated tires for safe seating\u003c\/td\u003e\n\u003ctd\u003eCompatible with wider tire range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Hookless rims require tubeless-compatible tires. Always verify tire manufacturer's hookless approval before mounting. Maximum tire pressure is 65 psi; exceeding this risks bead failure.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eOffset (Asymmetric) Rim Design\u003c\/h2\u003e\n\u003cp\u003eThe spoke holes are laterally offset (Left 5° \/ Right 7°) rather than centered on the rim centerline. On a rear wheel, this reduces the tension differential between the drive-side and non-drive-side spokes, producing a more evenly tensioned, laterally stiffer wheel. This is particularly beneficial on 12-speed drivetrains where the cassette forces a steeper drive-side spoke angle.\u003c\/p\u003e\n\u003ch2\u003eWarranty \u0026amp; Quality\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-year manufacturer warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Manufactured in China by a dedicated carbon rim production facility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomization:\u003c\/strong\u003e Hole diameters (valve, spoke, assembly) and nipple offset angles available as custom orders — contact seller before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Is a 29mm inner width carbon rim suitable for all-mountain riding with 2.4\" tires?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes. A 29mm inner width is well within the recommended range for 2.4\" MTB tires (ETRTO recommends an inner width 25–35% of the tire's nominal width). The wider bed improves tire casing support and cornering stability compared to a 25mm rim.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What tire pressure should I run on a hookless rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: This rim is rated for 45–65 psi. Most AM\/XC tubeless setups run 38–55 psi depending on rider weight and terrain. Do not exceed 65 psi on this hookless rim.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Can I use a tube with this hookless rim in an emergency?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Hookless rims are not designed for inner tubes. In a field emergency, some riders briefly use a tube at very low pressure to reach safety, but this is not manufacturer-approved and carries a risk of bead unseating.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: How does the offset spoke pattern help on a 29er rear wheel?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: The asymmetric hole position shifts the rim's spoke flange reference point, reducing the tension imbalance between drive and non-drive sides. This results in fewer broken spokes and improved lateral rigidity under load.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the difference between the standard (370g) and superlight (325g) versions?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: The superlight variant uses a refined carbon layup with tighter tolerances (±10g vs. ±15g), reducing weight by approximately 45g per rim (90g per wheelset). For weight-focused XC racing, the superlight option is recommended; for heavier AM use, the standard version offers a more conservative safety margin.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design and Tubeless Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er hookless carbon MTB rim offers an ultra-lightweight solution for serious riders, weighing between 325 and 370 grams depending on size. Its tubeless-ready design allows for easy setup with modern tubeless tires, reducing weight and improving traction on rough trails. The hookless rim profile eliminates the traditional hook bead, resulting in a smoother tire mounting experience and better compliance with tubeless tire standards. This rim's cutting-edge carbon fiber construction ensures durability while shaving off unnecessary weight, making it ideal for cross-country (XC) and all-mountain (AM) riders seeking performance gains.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Width and Offset for Stability and Control\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 29mm inner width and a 20mm profile, this rim provides an optimal balance of stiffness and flexibility needed for modern mountain biking demands. The offset design improves tire alignment, enhancing cornering stability and traction, especially on technical sections. The wider rim inner width supports a broader tire footprint, allowing riders to run lower tire pressures without compromising rim protection. This boost in stability translates to greater confidence on challenging terrain, making it a perfect upgrade for XC racers and AM enthusiasts aiming to enhance their bike's handling and reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Versatility Tailored for XC and AM Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted from high-quality carbon fiber materials, the 29er hookless carbon MTB rim strikes a perfect balance between lightweight performance and robust durability. Its design accommodates a broad range of tubeless tires and withstands the rigors of aggressive trail riding. Whether tackling rocky descents or navigating technical climbs, this rim delivers consistent performance with reduced risk of damage. The weight range between 325 to 370 grams also means riders can tailor the choice based on their riding style and terrain, making it versatile enough for cross-country races or all-mountain adventures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48128411435262,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48128411468030,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48128411500798,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48128411533566,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48128411566334,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48128411599102,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48128411631870,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48128411664638,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48128411697406,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48128411730174,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48128411762942,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48128411795710,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48128411828478,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48128411861246,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48128411894014,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48128411926782,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48128411959550,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48128411992318,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48128412025086,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48128412057854,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48128412090622,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48128412123390,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48128412156158,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48128412188926,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29er_rims_88264a0c-d8dc-466f-91a0-42a013ec6eab.png?v=1780298334"},{"product_id":"29-asymmetric-hookless-tubeless-carbon-mtb-rim-23mm-profile-32mm-inner-width-xc-am-325-385g","title":"29 Inch Asymmetric Hookless Tubeless Carbon MTB Rim, 32 mm Inner Width, 23 mm Profile, 325g–385g for XC and AM","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003e29 Inch Asymmetric Tubeless Carbon Rim: Performance Meets Precision\u003c\/h2\u003e\n\u003cp\u003eThe Bola 29er asymmetric carbon MTB rim is engineered for cross-country (XC) and all-mountain (AM) riders who need a tubeless-ready hookless rim that is measurably lighter and structurally more balanced than conventional symmetrical designs. Available in two weight variants — \u003cstrong\u003eStandard (385 ± 15 g)\u003c\/strong\u003e and \u003cstrong\u003eSuperlight (325 ± 10 g)\u003c\/strong\u003e — it delivers competitive weight savings without sacrificing structural integrity.\u003c\/p\u003e\n\u003ch2\u003eWhy Asymmetric? The Performance Case\u003c\/h2\u003e\n\u003cp\u003eOn a standard rear wheel, spoke tension is unequal between the drive and non-drive sides due to hub flange offset. An asymmetric rim offsets the spoke bed laterally to reduce this tension differential, producing a more evenly tensioned, laterally stiffer, and longer-lasting wheel build. The result is measurably improved power transfer and reduced spoke fatigue — particularly relevant for AM riders running wide tires at lower pressures.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e29\" (29er)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile Height\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD (Effective Rim Diameter)\u003c\/td\u003e\n\u003ctd\u003e598 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Standard\u003c\/td\u003e\n\u003ctd\u003e385 ± 15 g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e325 ± 10 g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape (hookless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 300 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium (imbalance)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e45–65 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRiding Discipline Fit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eXC Racing:\u003c\/strong\u003e The Superlight variant (325 ± 10 g) reduces rotational mass, improving acceleration and climbing efficiency on hardpack and mixed-terrain race courses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Mountain (AM):\u003c\/strong\u003e The 32 mm inner width optimally supports 2.3\"–2.5\" tires at 45–65 psi, improving cornering stability and traction on technical descents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnduro (moderate):\u003c\/strong\u003e The \u0026gt; 300 kg compressive strength and \u0026lt; 0.15 mm flatness tolerance offer durability for riders up to 100 kg on mixed-terrain terrain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHookless Tubeless: Tradeoffs to Know\u003c\/h2\u003e\n\u003cp\u003eHookless rims offer a lighter and more uniform bead shelf compared to hooked designs, and are fully tubeless-compatible. However, they require tubeless-rated tires and must be operated within the specified 45–65 psi range. High-pressure tube setups are not recommended. All major tire brands (Maxxis, Schwalbe, Continental) offer 29er tubeless options compatible with a 32 mm inner width hookless rim.\u003c\/p\u003e\n\u003ch2\u003eCustomization Options\u003c\/h2\u003e\n\u003cp\u003eAs a direct manufacturer with over a decade of supply experience to European and North American cycling brands, Bola offers customizable hole diameters, nipple angles, spoke counts, and OEM\/private-label finishing. Contact us for minimum order quantities and lead times.\u003c\/p\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003eThree-year manufacturer warranty covering structural defects under normal riding conditions.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Are hookless carbon rims safe for trail and all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, provided you use tubeless-rated tires and stay within the 45–65 psi range specified for this rim. Hookless bead shelves have been validated by major OEMs including Canyon, Trek, and Specialized on trail and AM builds. The \u0026gt; 300 kg compressive strength rating confirms structural suitability for off-road impact loads.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What tire width range works best with a 32 mm inner width?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: ETRTO guidelines recommend a tire width 1.8×–2.5× the inner rim width. For 32 mm inner width, optimal tire widths are 2.3\"–2.5\" (58–63 mm), though 2.1\"–2.6\" fitments are commonly used in XC and AM applications.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the weight difference between the Standard and Superlight variants?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: The Standard rim weighs 385 ± 15 g per rim; the Superlight version weighs 325 ± 10 g — a saving of approximately 60 g per rim (120 g per wheelset), which is meaningful for competitive XC racing.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Can I run tubes in a hookless rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: It is not recommended. Hookless rims are designed for tubeless-only use. Running inner tubes in a hookless bead profile can lead to bead unseating under pressure.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Is the asymmetric design only for rear wheels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Asymmetric rims provide the greatest benefit on the rear wheel where drive-side spoke tension disparity is largest. Some builders use them on the front as well for consistency; both applications are structurally valid.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInnovative Design and Material Quality\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29 inch asymmetric tubeless carbon rim features advanced carbon fiber construction, delivering exceptional strength at a minimal weight of 325 to 385 grams. Its asymmetric shape rebalances spoke tension and improves wheel durability, making it perfect for demanding trail, cross-country (XC), and all-mountain (AM) riding. The hookless design enhances tubeless compatibility, reducing the risk of pinch flats and providing improved sealant retention, giving riders more confidence on varied terrain.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Dimensions for Enhanced Ride\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis rim comes with a 23mm external profile and a wide 32mm inner width, designed to maximize tire volume and stability. This width is ideal for supporting modern MTB tires, allowing better grip, cornering, and control on technical descents. The rim’s size perfectly supports 29-inch tires, which are favored for maintaining momentum and rolling speed, key for efficient trail riding and competitive cross-country performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eVersatile Application and Performance Benefits\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned to meet the needs of serious mountain bikers, this 29 inch asymmetric tubeless carbon rim excels in both cross-country and all-mountain disciplines. Its lightweight nature helps reduce rotational mass, improving acceleration and climbing efficiency. At the same time, the robust and reinforced construction guarantees reliability on rough and aggressive trails. Overall, this rim offers a balance of durability, performance, and weight savings, making it a prime choice for riders seeking high-quality, tubeless-ready MTB wheels.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29\\\" Asymmetric Hookless Tubeless Carbon MTB Rim | 23mm Profile | 32mm Inner Width | XC \u0026 AM | 325–385g\",\n  \"description\": \"29 Inch Asymmetric Tubeless Carbon Rim: Performance Meets Precision The Bola 29er asymmetric carbon MTB rim is engineered for cross-country (XC) and all-mountain (AM) riders who need a tubeless-ready hookless rim that is measurably lighter and structurally more balanced than conventional symmetrical designs. Available in two weight variants — Standard (385 ± 15 g) and Superlight (325 ± 10 g) — it delivers competitive weight savings without sacrificing structural integrity. Why Asymmetric? The Performance Case On a standard rear wheel, spoke tension is unequal between the drive and non-drive sides due to hub flange offset. An asymmetric rim offsets the spoke bed laterally to reduce this tension differential, producing a more evenly tensioned, laterally stiffer, and longer-lasting wheel build. The result is measurably improved power transfer and reduced spoke fatigue — particularly relevant for AM riders running wide tires at lower pressures. Key Specifications Specification Value Wheel Size 29\\\" (29er) Rim Profile Height 23 mm Inner Width 32 mm Outer Width 38 mm ERD (Effective Rim Diameter) 598 mm Weight — Standard 385 ± 15 g per rim Weight — Superlight 325 ± 10 g per rim Rim Shape U-shape (hookless) Tubeless Compatible Yes Forward Compressive Strength \u0026gt; 300 kg Lateral Torsion Resistance \u0026gt; 50 kg Spoke Hole Tension \u0026gt; 280 kg Dynamic Equilibrium (imbalance) \u0026lt; 3 g Flatness Tolerance \u0026lt; 0.15 mm Roundness Tolerance \u0026lt; 0.3 mm Spoke Hole Diameter 4.5 mm (customizable) Valve Hole Diameter 6.5 mm (customizable) Assembly Hole Diameter 7.5 mm (customizable) Nipple Direction Left 5° \/ Right 7° (customizable) Tire Pressure Range 45–65 psi Max Rider Weight 100 kg Riding Discipline Fit XC Racing: The Superlight variant (325 ± 10 g) reduces rotational mass, improving acceleration and climbing efficiency on hardpack and mixed-terrain race courses. All-Mountain (AM): The 32 mm inner width optimally supports 2.3\\\"–2.5\\\" tires at 45–65 psi, improving cornering stability and traction on technical descents. Enduro (moderate): The \u0026gt; 300 kg compressive strength and \u0026lt; 0.15 mm flatness tolerance offer durability for riders up to 100 kg on mixed-terrain terrain. Hookless Tubeless: Tradeoffs to Know Hookless rims offer a lighter and more uniform bead shelf compared to hooked designs, and are fully tubeless-compatible. However, they require tubeless-rated tires and must be operated within the specified 45–65 psi range. High-pressure tube setups are not recommended. All major tire brands (Maxxis, Schwalbe, Continental) offer 29er tubeless options compatible with a 32 mm inner width hookless rim. Customization Options As a direct manufacturer with over a decade of supply experience to European and North American cycling brands, Bola offers customizable hole diameters, nipple angles, spoke counts, and OEM\/private-label finishing. Contact us for minimum order quantities and lead times. Warranty Three-year manufacturer warranty covering structural defects under normal riding conditions. Frequently Asked Questions Q: Are hookless carbon rims safe for trail and all-mountain riding? A: Yes, provided you use tubeless-rated tires and stay within the 45–65 psi range specified for this rim. Hookless bead shelves have been validated by major OEMs including Canyon, Trek, and Specialized on trail and AM builds. The \u0026gt; 300 kg compressive strength rating confirms structural suitability for off-road impact loads. Q: What tire width range works best with a 32 mm inner width? A: ETRTO guidelines recommend a tire width 1.8×–2.5× the inner rim width. For 32 mm inner width, optimal tire widths are 2.3\\\"–2.5\\\" (58–63 mm), though 2.1\\\"–2.6\\\" fitments are commonly used in XC and AM applications. Q: What is the weight difference between the Standard and Superlight variants? A: The Standard rim weighs 385 ± 15 g per rim; the Superlight version weighs 325 ± 10 g — a saving of approximately 60 g per rim (120 g per wheelset), which is meaningful for competitive XC racing. Q: Can I run tubes in a hookless rim? A: It is not recommended. Hookless rims are designed for tubeless-only use. Running inner tubes in a hookless bead profile can lead to bead unseating under pressure. Q: Is the asymmetric design only for rear wheels? A: Asymmetric rims provide the greatest benefit on the rear wheel where drive-side spoke tension disparity is largest. Some builders use them on the front as well for consistency; both applications are structurally valid. Innovative Design and Material Quality The 29 inch asymmetric tubeless carbon rim features advanced carbon fiber construction, delivering exceptional strength at a minimal weight of 325 to 385 grams. Its asymmetric shape rebalances spoke tension and improves wheel durability, making it perfect for demanding trail, cross-country (XC), and all-mountain (AM) riding. The hookless design enhances tubeless compatibility, reducing the risk of pinch flats and providing improved sealant retention, giving riders more confidence on varied terrain. Optimized Dimensions for Enhanced Ride This rim comes with a 23mm external profile and a wide 32mm inner width, designed to maximize tire volume and stability. This width is ideal for supporting modern MTB tires, allowing better grip, cornering, and control on technical descents. The rim’s size perfectly supports 29-inch tires, which are favored for maintaining momentum and rolling speed, key for efficient trail riding and competitive cross-country performance. Versatile Application and Performance Benefits Designed to meet the needs of serious mountain bikers, this 29 inch asymmetric tubeless carbon rim excels in both cross-country and all-mountain disciplines. Its lightweight nature helps reduce rotational mass, improving acceleration and climbing efficiency. At the same time, the robust and reinforced construction guarantees reliability on rough and aggressive trails. Overall, this rim offers a balance of durability, performance, and weight savings, making it a prime choice for riders seeking high-quality, tubeless-ready MTB wheels.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29_inch_rims_b44a4f45-0bc7-4740-9943-af444196019d.png?v=1780298337\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/mtb_3944d705-cdbd-434f-b143-2bb397cef1bb.png?v=1780298336\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/hookless_86658644-964a-488c-b3d5-cd05958509b5.jpg?v=1780298339\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/c238156fe23c658ff9e34906f01f85a1_898391da-917b-4b66-8e37-0478e5f4cca2.png?v=1780298270\",\n    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The \u003cstrong\u003eStandard variant (355 ± 10 g)\u003c\/strong\u003e is the recommended choice for riders prioritizing long-term durability under sustained loads or frequent impacts, without a significant performance penalty.\u003c\/p\u003e\n\u003ch2\u003eWarranty \u0026amp; Quality Assurance\u003c\/h2\u003e\n\u003cp\u003eEvery rim is backed by a \u003cstrong\u003e3-year manufacturer warranty\u003c\/strong\u003e. Produced by a carbon fiber rim specialist with over a decade of supply experience to professional cycling teams and brands across Europe and North America.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the best lightweight carbon 29er MTB rim for cyclocross?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis rim's 23 mm height minimizes aerodynamic drag in variable cyclocross conditions, while the Superlight option at 295 g delivers one of the lowest weight-per-strength ratios in this rim class. The U-shape profile ensures consistent tubeless or clincher tire seating across surface transitions.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a sub-300 g carbon 29er rim worth it?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAt 295 ± 10 g (Superlight), the weight saving versus the Standard (355 ± 10 g) is 60 g per rim. For competitive XC or cyclocross riders where rotational weight directly affects acceleration, this is a meaningful gain. For AM riders prioritizing impact resilience, the Standard variant offers the better durability-to-weight balance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat inner rim width is best for 29er trail or all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA 23 mm inner width is compatible with 2.2″–2.6″ tires, the most common range for trail and AM riding. This width optimizes tire casing spread, improving cornering traction and lowering the effective minimum pressure before pinch-flat risk increases.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCarbon vs. alloy 29er rims for cyclocross — which is better for the price?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eCarbon rims in this category typically weigh 295–380 g versus 450–550 g for quality alloy equivalents. The weight and stiffness advantages favor carbon for competitive use. This rim is manufactured at scale with direct OEM pricing, closing the traditional carbon-to-alloy cost gap for brands and team buyers.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat specs should I look for in a 29er carbon rim for all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eKey specs for AM use: inner width ≥ 23 mm for tire support, spoke hole tension tolerance \u0026gt; 250 kg for build durability, dynamic equilibrium \u0026lt; 3 g for smooth high-speed rolling, and flatness tolerance \u0026lt; 0.2 mm for consistent brake track performance. This rim meets or exceeds all four thresholds.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design Enhancing Speed and Agility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er superlight carbon MTB rim stands out with its incredibly low weight of just 295 grams. This featherlight rim minimizes rotational mass, making acceleration faster and handling more responsive on technical trails. Crafted from high-quality carbon material, it balances toughness with lightness, allowing riders to enjoy swift climbs and nimble descents without compromise. The lightweight nature reduces rider fatigue, enabling longer rides with improved energy efficiency, making it an indispensable upgrade for serious mountain bikers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized 23mm Inner Width for Optimal Tire Support\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 23mm inner width, this MTB rim provides an ideal platform for wider tires commonly used in cyclocross and all-mountain biking. The width offers enhanced tire stability, reducing the risk of pinch flats and improving cornering grip. This helps riders confidently take on varying terrains and technical maneuvers, maintaining control and traction even at high speeds. The rim geometry perfectly complements tubeless tire setups for better performance and fewer flats on rugged trails.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability Tailored for Cyclocross and All-Mountain Challenges\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for demanding cyclocross and all-mountain rides, this carbon rim delivers excellent strength without added weight. Advanced manufacturing techniques ensure the rim withstands impacts and rough terrain while maintaining its shape and integrity. Its robust construction makes it resistant to cracking and deformation, providing long-lasting reliability. This strength combined with superlight weight means riders don’t need to sacrifice durability for performance, making it a trusted choice for competitive and recreational mountain bikers alike.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48127139119358,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48127139152126,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48127139184894,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48127139217662,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48127139250430,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48127139283198,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48127139315966,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48127139348734,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48127139381502,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48127139414270,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48127139447038,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48127139479806,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48127139512574,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48127139545342,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48127139578110,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48127139610878,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48127139643646,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48127139676414,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48127139709182,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48127139741950,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48127139774718,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48127139807486,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48127139840254,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48127139873022,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/mtb_rims_90254ae4-3fc6-43b5-8515-573cf56e343c.png?v=1780298340"},{"product_id":"bola-27-5-asymmetric-hookless-carbon-mtb-rim-23mm","title":"Asymmetric Hookless Tubeless Carbon MTB Rim 27.5\" | 23mm Inner Width | 23mm Profile | XC \u0026 All Mountain | Bola","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eDiscover the 27.5 Inch Asymmetric Tubeless Rim for Superior MTB Performance\u003c\/h2\u003e\n\u003cp\u003eThe Bola 27.5\" asymmetric carbon rim delivers a balance of low weight and structural rigidity optimized for XC and all-mountain riding. At 285–345g per rim (depending on build), it suits riders up to 100kg who demand precise handling without unnecessary rotational mass. The 23mm inner width accommodates 2.2\"–2.5\" tubeless tires within ETRTO-recommended fitment ranges for hookless rims.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e27.5\" (584mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile (Height)\u003c\/td\u003e\n\u003ctd\u003e23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e28mm outer \/ 23mm inner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e554mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Standard)\u003c\/td\u003e\n\u003ctd\u003e345 ± 10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e285 ± 10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-shape (hookless tubeless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (or custom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e45–65 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Testing Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium (Imbalance):\u003c\/strong\u003e \u0026lt;3g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Asymmetric Rim Design?\u003c\/h2\u003e\n\u003cp\u003eAsymmetric spoke drilling offsets the spoke bed toward the non-drive side, equalizing spoke tension between left and right spokes. This reduces the tension imbalance common in standard symmetric rims — particularly relevant on rear wheels where driveside dish significantly misaligns the hub flange geometry. The result is a more evenly stressed, laterally stiffer wheel with reduced risk of spoke fatigue over time.\u003c\/p\u003e\n\u003ch2\u003eHookless Tubeless: Use-Case Suitability\u003c\/h2\u003e\n\u003cp\u003eHookless rims are compatible exclusively with tubeless-ready tires marked as hookless-safe by their manufacturer. At a maximum pressure of 65 psi, this rim is well-suited to XC racing and trail\/all-mountain use where tires are typically run at 25–50 psi. \u003cem\u003eNote: hookless rims are not recommended for use with tubed tires or with tires not certified for hookless fitment.\u003c\/em\u003e Always verify tire compatibility before mounting.\u003c\/p\u003e\n\u003ch2\u003e23mm Inner Width: What Tire Widths Does It Support?\u003c\/h2\u003e\n\u003cp\u003eA 23mm inner width is optimized for 2.2\"–2.5\" MTB tires. Per ETRTO guidelines, this inner width produces a measured tire width approximately 4–6mm wider than the rim's inner dimension, giving optimal casing support and cornering stability for trail and XC disciplines. Riders requiring wider tire profiles (\u0026gt;2.6\") for enduro or downhill should consider a wider rim platform.\u003c\/p\u003e\n\u003ch2\u003eCustomization Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHole drilling diameter (spoke, valve, assembly)\u003c\/li\u003e\n\u003cli\u003eNipple offset angle\u003c\/li\u003e\n\u003cli\u003eSuperlight or standard layup (285g vs. 345g)\u003c\/li\u003e\n\u003cli\u003eCompatible with custom branding for OEM and team orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eAre hookless carbon rims safe for aggressive trail riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, within the rated pressure range (45–65 psi) and with hookless-compatible tires. The tested forward compressive strength exceeds 300kg and spoke hole tension exceeds 280kg, making this rim structurally suitable for trail and all-mountain use. It is not rated for downhill or bike park applications.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 23mm inner width sufficient for all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFor most all-mountain use, yes. A 23mm inner width pairs well with 2.3\"–2.4\" tires that are standard for trail and all-mountain builds. Riders seeking maximum volume for enduro terrain may prefer a 25–27mm inner width rim.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the advantage of asymmetric drilling on this rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAsymmetric spoke bed placement equalizes spoke tension across both sides of the wheel. This improves lateral stiffness and reduces the risk of spoke fatigue — a measurable engineering benefit backed by wheel-building data, particularly on rear wheels with significant dish.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the weight difference between standard and superlight builds?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe standard layup weighs 345 ± 10g per rim; the superlight variant weighs 285 ± 10g per rim — a 60g per rim saving. For a wheelset, this equates to approximately 120g reduction in rotating mass, which is meaningful for XC racing.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan this rim be used for OEM or team orders?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Bola supports customized hole diameters, nipple angles, and branding for small-to-medium cycling brands and professional teams. Contact us directly for MOQ and lead time details.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInnovative Design for Enhanced Strength and Stability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 27.5 inch asymmetric tubeless rim by Bola is engineered to offer unmatched strength and optimized spoke tension for your mountain bike. Asymmetry in the rim profile balances the tension between the drive and non-drive sides, reducing stress on spokes and improving wheel durability. Constructed from lightweight carbon fiber, this hookless tubeless rim has a 23mm inner width and 23mm profile, providing a solid platform for tire mounting and better traction on rough terrain. Whether you are into cross-country (XC) or all mountain riding, this rim helps maintain consistent performance without compromising weight or power transfer.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eHookless Tubeless Technology for Reliable and Lightweight Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLeveraging the benefits of hookless rim technology, the 27.5 inch asymmetric tubeless rim ensures effortless tubeless tire installation and superior air retention. Hookless rims create a secure seal with tubeless tires, reducing the likelihood of pinch flats and allowing lower tire pressures for improved ride comfort and traction. This design reduces rim weight by eliminating the hook, contributing to quicker acceleration and responsive handling. Bola’s carbon construction enhances stiffness and shock absorption while keeping the weight at a minimum, making it ideal for both XC racers and all-mountain enthusiasts seeking reliable, high-performance equipment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Dimensions Perfect for XC and All Mountain Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 23mm inner width and profile, this 27.5 inch asymmetric tubeless rim strikes the perfect balance between wide tires and weight savings. The rim width accommodates a variety of tire sizes, providing enhanced sidewall support and greater stability in technical terrain without unnecessary bulk. This flexibility allows riders to customize tire pressure and tread options tailored to their style and trail conditions. Designed specifically with cross-country and all-mountain riders in mind, Bola’s rim delivers precise handling, durability, and comfort across diverse mountain biking environments, making it a top choice for riders demanding versatility and performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48092904358142,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48092904390910,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48092904423678,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48092904456446,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48092904489214,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48092904521982,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48092904554750,"sku":null,"price":290.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48092904587518,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48092904620286,"sku":null,"price":290.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48092904653054,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48092904685822,"sku":null,"price":290.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48092904718590,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48092904751358,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48092904784126,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48092904816894,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48092904849662,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48092904882430,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48092904915198,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48092904947966,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48092904980734,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48092905013502,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48092905046270,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48092905079038,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48092905111806,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/mtb_rims.png?v=1780298344"},{"product_id":"29er-carbon-mtb-rim-30mm-profile-25mm-inner-for-xc-am","title":"29er Carbon MTB Rim – 30mm Profile, 25mm Inner for XC\/AM","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eUltimate Performance with the 29er Carbon MTB Rim 25mm Inner\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e This carbon fiber 29-inch MTB rim features a 30mm height and 25mm inner width engineered for competitive cross-country and all-mountain use. Choose between Standard (385 ± 15g) or Superlight (325 ± 10g) builds. Rim is U-shape, hookless, and tubeless-ready, supporting tire widths from 2.2\" to 2.4\". Primed for stiffness, durability, and weight efficiency.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e29 inch (29er)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU-Shape, Hookless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Standard)\u003c\/td\u003e\n\u003ctd\u003e385 ± 15 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e325 ± 10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e579 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Spoke Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Compatible\u003c\/td\u003e\n\u003ctd\u003eYes (45–65 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Compatibility\u003c\/td\u003e\n\u003ctd\u003eSchrader\/Presta (6.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tire Width\u003c\/td\u003e\n\u003ctd\u003e2.2–2.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003eForward Compressive Strength: \u0026gt;300 kg\u003cbr\u003eLateral Torsion: \u0026gt;50 kg\u003cbr\u003eFlatness Tolerance: \u0026lt;0.15 mm (CNC verified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eComparison: 30mm vs 35mm Rim Height for MTB XC\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30mm:\u003c\/strong\u003e Balances aerodynamic profile and climbing efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35mm:\u003c\/strong\u003e Offers improved high-speed aero but may slightly increase weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003eIs a 25mm inner width carbon rim suitable for both trail and XC use?\u003c\/dt\u003e\n\u003cdd\u003eYes. 25mm inner width provides an ideal balance of traction, tire stability, and compatibility with 2.2\"–2.4\" MTB tires for modern cross-country and light all-mountain applications.\u003cbr\u003e\n\u003c\/dd\u003e\n\u003cdt\u003eWhat is the advantage of Superlight vs Standard weight versions?\u003c\/dt\u003e\n\u003cdd\u003eSuperlight (325g) reduces rotating mass for acceleration in competitive XC but has a slightly lower absolute impact resistance than Standard (385g). Select based on race priority versus aggressive trail use.\u003c\/dd\u003e\n\u003cdt\u003eWhat certifications or test results support performance claims?\u003c\/dt\u003e\n\u003cdd\u003eThis rim undergoes in-house load tests: \u0026gt;300kg forward compressive strength, \u0026gt;50kg lateral torsion, and spoke tension over 280kg. Flatness tolerance within 0.15mm confirms manufacturing precision. All data available upon request.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eIntended User \u0026amp; Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for small\/medium cycling brands, professional racing teams, and cyclists seeking lightweight, durable, high-performance carbon MTB rims.\u003c\/li\u003e\n\u003cli\u003e3-year warranty against manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Construction for Enhanced Agility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er carbon MTB rim 25mm inner size is built with high-quality carbon fiber to ensure minimal weight without compromising strength. This lightweight construction improves the bike’s responsiveness, allowing riders to accelerate faster and handle technical terrain with ease. Whether you’re racing cross-country (XC) or tackling aggressive all-mountain (AM) trails, the rim’s reduced mass helps reduce fatigue and enhances overall riding efficiency, delivering a more enjoyable and controlled mountain biking experience.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized 30mm Profile for Stability and Control\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis rim’s 30mm profile width provides an optimal balance between strength and aerodynamic efficiency. The wider profile allows for greater tire volume, which improves traction and cushioning on rough trails. Riders benefit from increased stability when cornering and descending at high speeds, crucial for demanding XC and AM disciplines. The 25mm inner width perfectly complements the profile, accommodating a broad range of tire sizes to fine-tune grip and comfort based on trail conditions and personal preference.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Precision Engineering for Long-Term Use\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eExpertly engineered for durability, this 29er carbon MTB rim features reinforced spoke holes and advanced layup techniques to prevent cracking or deformation under stress. Its robust design ensures resistance against impacts and rough terrain, providing reliable performance over thousands of miles. The precise manufacturing processes also guarantee perfect roundness and true alignment, reducing maintenance and improving wheel longevity. This rim is a trustworthy choice for serious riders who demand consistency and quality on every trail.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48126884249854,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48126884282622,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48126884315390,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48126884348158,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48126884380926,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48126884413694,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48126884446462,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48126884479230,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48126884511998,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48126884544766,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48126884577534,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48126884610302,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48126884643070,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48126884675838,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48126884708606,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48126884741374,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48126884774142,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48126884806910,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48126884839678,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48126884872446,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48126884905214,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48126884937982,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48126884970750,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48126885003518,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_700c_carbon_tubelss_rims_7a10e4b9-0e90-4048-a1a7-166a63affddc.png?v=1780298347"},{"product_id":"29er-asymmetric-carbon-mtb-rim-30mm-height-25mm-inner-width","title":"29er Asymmetric Carbon MTB Rim – 30mm Height, 25mm Inner Width","description":"\u003ch2\u003e29er Asymmetric Carbon MTB Rim – 30mm Height, 25mm Inner Width\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eLead Answer:\u003c\/strong\u003e This 29er carbon mountain bike rim features an asymmetric U-shape design with a 30mm profile and 25mm inner width, optimizing for XC and all-mountain use. Two weight options (385g standard, 325g superlight) offer flexibility for racers and technical riders alike.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus Toray-grade carbon fiber (unidirectional + woven layup)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 29\" (ISO 622)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Asymmetric, U-shape; 30mm height, 25mm inner \/ 30mm outer width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Standard – 385 ± 15g; Superlight – 325 ± 10g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Tire Width:\u003c\/strong\u003e 2.2–2.5\" for optimal performance; ETRTO compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength \u0026amp; Tolerance:\u003c\/strong\u003e Forward compressive \u0026gt;300kg, lateral torsion \u0026gt;50kg, spoke hole tension \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Individually weighed; flatness \u0026lt;0.15mm; roundness \u0026lt;0.18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Compatible with tubeless and standard clincher tire setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years, covers manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison: 30mm vs. Deeper MTB Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003e30mm Rim\u003c\/th\u003e\n\u003cth\u003e40mm+ Rim\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Stiffness\u003c\/td\u003e\n\u003ctd\u003eHigh, for precise tracking\u003c\/td\u003e\n\u003ctd\u003eVery high, increased harshness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAero Drag (XC\/Trail)\u003c\/td\u003e\n\u003ctd\u003eMinimal penalty\u003c\/td\u003e\n\u003ctd\u003eMarginal increase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Resistance\u003c\/td\u003e\n\u003ctd\u003eBalanced\u003c\/td\u003e\n\u003ctd\u003ePotentially less compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSituational Relevance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eXC and all-mountain riders seeking weight savings without sacrificing stability\u003c\/li\u003e\n\u003cli\u003eCustom wheel-builders for performance brands and racing teams\u003c\/li\u003e\n\u003cli\u003eProfessional and enthusiast cyclists requiring verified quality and consistent tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the best 29er carbon rims for XC and all mountain under 400g?\u003c\/strong\u003e\u003cbr\u003eA: Rims like the Bola 29er (325–385g) balance low weight, lateral stiffness, and impact-tested build for XC\/all-mountain racing while retaining tubeless compatibility and an asymmetric profile for balanced spoke tension.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is a 25mm inner width carbon rim good for trail and all mountain MTB tires?\u003c\/strong\u003e\u003cbr\u003eA: Yes, a 25mm inner width supports 2.2–2.5\" tires, offering a stable platform compatible with ETRTO standards, ideal for trail, XC, and all-mountain riding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are asymmetric carbon rims worth it for 29er builds?\u003c\/strong\u003e\u003cbr\u003eA: Asymmetric rims improve spoke angle balance, enhancing lateral stiffness and reducing stress on the wheel system—advantages confirmed by builder and team experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a 30mm high rim compare to deeper mountain bike rims?\u003c\/strong\u003e\u003cbr\u003eA: A 30mm profile yields strong lateral stiffness with manageable weight and negligible aerodynamic drag, compared to deeper, heavier rims that may be stiffer but less compliant for technical MTB applications.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er Carbon MTB Rim 30mm Height 25mm Inner Width – XC \u0026 All Mountain Asymmetric | Bola\",\n  \"description\": \"29er Asymmetric Carbon MTB Rim – 30mm Height, 25mm Inner Width Lead Answer: This 29er carbon mountain bike rim features an asymmetric U-shape design with a 30mm profile and 25mm inner width, optimizing for XC and all-mountain use. Two weight options (385g standard, 325g superlight) offer flexibility for racers and technical riders alike. Key Features \u0026 Technical Specifications Material: High-modulus Toray-grade carbon fiber (unidirectional + woven layup) Rim Size: 29\\\" (ISO 622) Profile: Asymmetric, U-shape; 30mm height, 25mm inner \/ 30mm outer width Weight: Standard – 385 ± 15g; Superlight – 325 ± 10g Recommended Tire Width: 2.2–2.5\\\" for optimal performance; ETRTO compatible Strength \u0026 Tolerance: Forward compressive \u003e300kg, lateral torsion \u003e50kg, spoke hole tension \u003e280kg Manufacturing: Individually weighed; flatness Tubeless Ready: Compatible with tubeless and standard clincher tire setups Warranty: 3 years, covers manufacturing defects Comparison: 30mm vs. Deeper MTB Rims Spec 30mm Rim 40mm+ Rim Lateral Stiffness High, for precise tracking Very high, increased harshness Aero Drag (XC\/Trail) Minimal penalty Marginal increase Impact Resistance Balanced Potentially less compliant Situational Relevance XC and all-mountain riders seeking weight savings without sacrificing stability Custom wheel-builders for performance brands and racing teams Professional and enthusiast cyclists requiring verified quality and consistent tolerances Frequently Asked Questions Q: What are the best 29er carbon rims for XC and all mountain under 400g? A: Rims like the Bola 29er (325–385g) balance low weight, lateral stiffness, and impact-tested build for XC\/all-mountain racing while retaining tubeless compatibility and an asymmetric profile for balanced spoke tension. Q: Is a 25mm inner width carbon rim good for trail and all mountain MTB tires? A: Yes, a 25mm inner width supports 2.2–2.5\\\" tires, offering a stable platform compatible with ETRTO standards, ideal for trail, XC, and all-mountain riding. Q: Are asymmetric carbon rims worth it for 29er builds? A: Asymmetric rims improve spoke angle balance, enhancing lateral stiffness and reducing stress on the wheel system—advantages confirmed by builder and team experience. Q: How does a 30mm high rim compare to deeper mountain bike rims? 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The offset spoke bed balances spoke tension, enhances lateral stiffness, and extends wheel life for competitive riding. Superlight variant weighs 380 ± 10g; standard variant 450 ± 15g. OEM customization and a 3-year warranty included.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 29er (622 mm BSD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Height:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Width:\u003c\/strong\u003e 27mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 33mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Holes:\u003c\/strong\u003e 28–32, offset for tension balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Rim Diameter (ERD):\u003c\/strong\u003e 579mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus Toray-grade carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Shape:\u003c\/strong\u003e U-shaped, hookless tubeless compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Spoke Tension:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Tolerance:\u003c\/strong\u003e Superlight: 380 ± 10g | Standard: 450 ± 15g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison Table: Similar Carbon 29er MTB Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eRim\u003c\/th\u003e\n\u003cth\u003eInner Width\u003c\/th\u003e\n\u003cth\u003eProfile Height\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eUse-Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThis Product\u003c\/td\u003e\n\u003ctd\u003e27mm\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e380g \/ 450g\u003c\/td\u003e\n\u003ctd\u003eXC \/ Trail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompetitor XC930X-28\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003ctd\u003e370g\u003c\/td\u003e\n\u003ctd\u003eXC Race\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompetitor XC927X-25\u003c\/td\u003e\n\u003ctd\u003e27mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e365g\u003c\/td\u003e\n\u003ctd\u003eXC \/ Trail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat are the benefits of asymmetric carbon rims?\u003c\/strong\u003e\u003cbr\u003eAsymmetric rims enable more even spoke tension, which improves wheel strength and longevity compared to traditional designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs 27mm inner width suitable for trail and all-mountain use?\u003c\/strong\u003e\u003cbr\u003eYes, 27mm internal width supports modern tire sizes for a balance of grip, rolling speed, and stability suited for XC and trail riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does 30mm profile height affect performance?\u003c\/strong\u003e\u003cbr\u003e30mm profile provides an optimal blend of lateral stiffness and compliance, not overly deep—ideal for mixed terrain without excess weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes this rim support tubeless tires?\u003c\/strong\u003e\u003cbr\u003eYes, hookless rim shape is fully compatible with tubeless setups, allowing lower pressures and improved puncture resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat’s included with purchase?\u003c\/strong\u003e\u003cbr\u003eEach rim comes with a 3-year manufacturer warranty and OEM customization options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePrecision Engineering for Optimal Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er asymmetric carbon MTB rim 27mm internal width is meticulously engineered to provide unmatched strength and agility on diverse terrains. Its asymmetric design improves spoke tension balance, resulting in enhanced wheel durability and better power transfer. With a rim height of 30mm and weighing just 380 grams, this rim strikes the perfect balance between lightweight efficiency and robust build quality. Whether tackling technical trail sections or cross-country courses, it delivers superior handling and responsiveness that riders demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design Without Compromise\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWeighing only 380g, the rim’s carbon fiber construction ensures a featherlight feel, reducing rotational weight and improving acceleration. At 27mm internal width, it supports a wider tire profile for increased traction and stability without adding bulk. The 30mm height enhances stiffness while maintaining low aerodynamic drag, ideal for riders seeking speed and control. This combination enables cyclists to confidently push limits, making it a perfect choice for XC and trail enthusiasts looking for performance upgrades.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability Tailored for Mountain Biking\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBuilt to withstand the demands of off-road riding, the 29er asymmetric carbon MTB rim 27mm incorporates advanced materials and reinforced construction techniques. It resists impacts and abrasions common in rugged environments, prolonging rim life and maintaining ride quality. The asymmetric design not only aids wheel strength but also improves tire alignment for better cornering grip. Riders can rely on this rim for consistent performance across seasons, making it a smart investment for those serious about mountain biking durability and reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er Asymmetric Carbon MTB Rim, 30mm Height, 27mm Internal | XC\/Trail | 380g\",\n  \"description\": \"Discover the 29er Asymmetric Carbon MTB Rim 27mm for XC and Trail Enthusiasts This 29-inch asymmetric carbon mountain bike rim features a 30mm profile and 27mm internal width—engineered for cross-country (XC) and all-mountain performance. The offset spoke bed balances spoke tension, enhances lateral stiffness, and extends wheel life for competitive riding. Superlight variant weighs 380 ± 10g; standard variant 450 ± 15g. OEM customization and a 3-year warranty included. Technical Specifications Wheel Size: 29er (622 mm BSD) Rim Height: 30mm Inner Width: 27mm Outer Width: 33mm Spoke Holes: 28–32, offset for tension balance Effective Rim Diameter (ERD): 579mm Material: High-modulus Toray-grade carbon fiber Rim Shape: U-shaped, hookless tubeless compatible Recommended Spoke Tension: \u0026gt;280kg Weight Tolerance: Superlight: 380 ± 10g | Standard: 450 ± 15g Comparison Table: Similar Carbon 29er MTB Rims Rim Inner Width Profile Height Weight Use-Case This Product 27mm 30mm 380g \/ 450g XC \/ Trail Competitor XC930X-28 30mm 28mm 370g XC Race Competitor XC927X-25 27mm 25mm 365g XC \/ Trail Frequently Asked Questions (FAQ) What are the benefits of asymmetric carbon rims? Asymmetric rims enable more even spoke tension, which improves wheel strength and longevity compared to traditional designs. Is 27mm inner width suitable for trail and all-mountain use? Yes, 27mm internal width supports modern tire sizes for a balance of grip, rolling speed, and stability suited for XC and trail riding. How does 30mm profile height affect performance? 30mm profile provides an optimal blend of lateral stiffness and compliance, not overly deep—ideal for mixed terrain without excess weight. Does this rim support tubeless tires? Yes, hookless rim shape is fully compatible with tubeless setups, allowing lower pressures and improved puncture resistance. What’s included with purchase? Each rim comes with a 3-year manufacturer warranty and OEM customization options. Precision Engineering for Optimal Performance The 29er asymmetric carbon MTB rim 27mm internal width is meticulously engineered to provide unmatched strength and agility on diverse terrains. Its asymmetric design improves spoke tension balance, resulting in enhanced wheel durability and better power transfer. With a rim height of 30mm and weighing just 380 grams, this rim strikes the perfect balance between lightweight efficiency and robust build quality. Whether tackling technical trail sections or cross-country courses, it delivers superior handling and responsiveness that riders demand. Lightweight Design Without Compromise Weighing only 380g, the rim’s carbon fiber construction ensures a featherlight feel, reducing rotational weight and improving acceleration. At 27mm internal width, it supports a wider tire profile for increased traction and stability without adding bulk. The 30mm height enhances stiffness while maintaining low aerodynamic drag, ideal for riders seeking speed and control. This combination enables cyclists to confidently push limits, making it a perfect choice for XC and trail enthusiasts looking for performance upgrades. Durability Tailored for Mountain Biking Built to withstand the demands of off-road riding, the 29er asymmetric carbon MTB rim 27mm incorporates advanced materials and reinforced construction techniques. It resists impacts and abrasions common in rugged environments, prolonging rim life and maintaining ride quality. The asymmetric design not only aids wheel strength but also improves tire alignment for better cornering grip. 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Available in superlight (385g) and standard (455g) variants. Forward compressive strength rated \u0026gt;300kg, lateral torsion resistance \u0026gt;50kg, and spoke hole tension \u0026gt;280kg.\u003c\/p\u003e\n\u003ch3\u003eUse Cases \u0026amp; Fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for enduro racers, all-mountain riders, and premium cycling brands needing lightweight, high-stiffness platforms.\u003c\/li\u003e\n\u003cli\u003eWorks with 2.3\"–2.6\" tires for optimal sidewall support, cornering stability, and reliable tubeless setup.\u003c\/li\u003e\n\u003cli\u003eSupports builds for riders \u0026lt;100kg (superlight option). 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For complete build recommendations or technical documents, contact our engineering team.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Lightweight Design\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er hookless carbon enduro rim features a cutting-edge carbon fiber construction that balances durability with a lightweight profile. Designed specifically for aggressive all-mountain and enduro riding, this rim withstands rough trails and harsh impacts without compromising weight. The 30mm inner width enhances tire profile stability, providing riders increased control and confidence on technical terrain. This combination makes it an ideal choice for riders seeking agility and toughness in demanding environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eHookless Bead Technology Benefits\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEmbracing hookless bead technology, this 29er carbon rim offers several key advantages. Without traditional rim hooks, the rim provides a smoother interface with tubeless tires, reducing the risk of punctures and making installation easier. The hookless design also improves the tire’s airtight seal, enhancing performance and durability. Riders benefit from better traction and decreased rolling resistance, ideal for enduro riders who demand reliability and efficiency on rugged mountain trails.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Width for Enduro and All-Mountain Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 30mm inner rim width, this carbon rim optimizes tire shape for enduro and all-mountain disciplines. The wider rim supports wider tires, allowing for increased volume and lower air pressure, which translates into superior grip and shock absorption. This setup improves traction on slippery surfaces and rough descents, giving riders enhanced stability and speed. The rim’s compatibility with 29-inch wheels further boosts rollover capacity to conquer obstacles effortlessly.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er Carbon MTB Rim 30mm Inner | Hookless | Enduro All-Mountain\",\n  \"description\": \"Explore the Power and Precision of the 29er Hookless Carbon Enduro Rim Precision-engineered for enduro and all-mountain performance , this 29er carbon fiber rim features a 30mm inner width and 30mm profile height with a U-shaped, hookless tubeless-compatible bead. Available in superlight (385g) and standard (455g) variants. Forward compressive strength rated \u0026gt;300kg, lateral torsion resistance \u0026gt;50kg, and spoke hole tension \u0026gt;280kg. Use Cases \u0026amp; Fit Ideal for enduro racers, all-mountain riders, and premium cycling brands needing lightweight, high-stiffness platforms. Works with 2.3\\\"–2.6\\\" tires for optimal sidewall support, cornering stability, and reliable tubeless setup. Supports builds for riders \u0026lt;100kg (superlight option). OEM, custom branding, and finish options available. Technical Specifications Parameter Value Wheel Size 29 inch (29er) Inner Width 30mm Profile Height 30mm Weight (Superlight\/Std) 385g \/ 455g Material High modulus carbon fiber (Toray T700) Bead Type Hookless tubeless-compatible Max Spoke Tension 280kg Warranty 3 years (OEM \u0026amp; custom supported) Why Choose a 30mm Inner Carbon Rim? Balances lateral stiffness and impact absorption on technical descents versus deeper, heavier profiles. Enables secure fit and support for modern wide tires at lower pressures, reducing pinch-flats and squirm. Weight savings (35–120g per rim vs aluminum\/alloy) translate to improved acceleration and climbing, but may require attentive setup for aggressive riders \u0026gt;100kg. FAQs Q: What is the main advantage of a 30mm inner width carbon rim for trail and enduro? A: 30mm inner width provides enhanced tire support and sidewall stability for 2.3–2.6\\\" tires, resulting in improved cornering, predictable handling, and optimized traction. Q: How much weight can I save switching from aluminum MTB rims? A: Typical weight savings are 80–150g per rim versus comparable aluminum models, depending on build specs. Q: Does this rim support tubeless setups? A: Yes, the rim's hookless bead is designed for modern tubeless installations, compatible with leading tire brands. Q: Are custom logos and drillings available? A: OEM and small-to-medium brand customizations are supported—including finish, decal, spoke hole count, and more. Compliant with SCA fatigue and impact standards. For complete build recommendations or technical documents, contact our engineering team. Durability and Lightweight Design The 29er hookless carbon enduro rim features a cutting-edge carbon fiber construction that balances durability with a lightweight profile. Designed specifically for aggressive all-mountain and enduro riding, this rim withstands rough trails and harsh impacts without compromising weight. The 30mm inner width enhances tire profile stability, providing riders increased control and confidence on technical terrain. This combination makes it an ideal choice for riders seeking agility and toughness in demanding environments. Hookless Bead Technology Benefits Embracing hookless bead technology, this 29er carbon rim offers several key advantages. Without traditional rim hooks, the rim provides a smoother interface with tubeless tires, reducing the risk of punctures and making installation easier. The hookless design also improves the tire’s airtight seal, enhancing performance and durability. Riders benefit from better traction and decreased rolling resistance, ideal for enduro riders who demand reliability and efficiency on rugged mountain trails. Optimized Width for Enduro and All-Mountain Riding With a 30mm inner rim width, this carbon rim optimizes tire shape for enduro and all-mountain disciplines. The wider rim supports wider tires, allowing for increased volume and lower air pressure, which translates into superior grip and shock absorption. This setup improves traction on slippery surfaces and rough descents, giving riders enhanced stability and speed. The rim’s compatibility with 29-inch wheels further boosts rollover capacity to conquer obstacles effortlessly.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_ultralight_carbon_bike_rims.png?v=1780298354\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/1_2f4780bf-5377-47e7-97aa-44f9bb37647f.png?v=1780298355\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/hookless_469351d0-8f83-4ac3-9c50-1c977c318ec4.jpg?v=1780298354\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/c238156fe23c658ff9e34906f01f85a1_898391da-917b-4b66-8e37-0478e5f4cca2.png?v=1780298270\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/7b2647dacef646facb3915527c55b600_d3128e8e-a8a7-483c-bf8a-c214e8b0a535.png?v=1780298273\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"price\": \"310.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/29er-carbon-mtb-rim-30mm-inner-hookless-enduro-all-mountain?variant=45158684950782\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"https:\/\/bolacarbon.com\"\n    }\n  }\n}\n\u003c\/script\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"Default Title","offer_id":45158684950782,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_ultralight_carbon_bike_rims.png?v=1780298354"},{"product_id":"29er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-freeride-enduro","title":"29er Asymmetric Carbon MTB Rim, 30mm Internal Width for Trail, Enduro, Freeride","description":"\u003cp\u003eThe 29er Asymmetric Carbon MTB Rim offers a cost-effective upgrade for riders seeking balanced strength, lightweight performance, and precise handling on aggressive trails, freeride, and enduro terrain. Built with premium Toray carbon and tested for durability, this rim delivers reliable support for 2.3–2.6\" tires at a fair price, making it accessible for both individual cyclists and B2B partners.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 29 inch (622mm BSD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Shape:\u003c\/strong\u003e Asymmetric U-shaped profile for balanced spoke tension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Height:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 30mm (optimized for 2.3–2.6\" MTB tires)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Width:\u003c\/strong\u003e 36mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeights:\u003c\/strong\u003e Standard 455 ±10g | Superlight 385 ±10g per rim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Toray carbon fiber layup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Compatible with modern tubeless MTB tire systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Configuration:\u003c\/strong\u003e Asymmetric spoke bed enhances long-term trueness and wheel stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e \u0026gt;300kg forward compressive | \u0026gt;50kg lateral torsion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year global coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it Compares\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBola 29er Asymmetric\u003c\/th\u003e\n\u003cth\u003eTypical Premium Model*\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eAsymmetric U-profile\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\/Unique profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e30–32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e385–455g (Superlight\/Std)\u003c\/td\u003e\n\u003ctd\u003e400–490g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eFreeride, Enduro, Aggressive Trail\u003c\/td\u003e\n\u003ctd\u003eEnduro, All-mountain, Pro-level Racing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial \u0026amp; QC\u003c\/td\u003e\n\u003ctd\u003eToray Carbon, Multi-stage QC\u003c\/td\u003e\n\u003ctd\u003eBrand-specific carbon, proprietary QC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year global\u003c\/td\u003e\n\u003ctd\u003e2-year+ (varies)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePricing\u003c\/td\u003e\n\u003ctd\u003eCost-effective, factory-direct\u003c\/td\u003e\n\u003ctd\u003eHigh retail price, brand premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e*Comparison reference: ENVE AM30, Bontrager Line Pro, DT Swiss EXC series. Premium models may offer additional compliance or vibration-damping features but command significantly higher pricing.\u003c\/p\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrading stock 29er MTB wheels for trail, enduro, or freeride riding\u003c\/li\u003e\n\u003cli\u003eBuilding custom bikes focused on balanced speed, traction, and comfort\u003c\/li\u003e\n\u003cli\u003eB2B supply for bike shops, resellers, and OEM\/ODM projects\u003c\/li\u003e\n\u003cli\u003eRiders targeting versatile wheelsets suitable for training and racing\u003c\/li\u003e\n\u003cli\u003eCyclists transitioning from budget or worn-out aluminum\/carbon rims\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the weight of the Bola 29er Asymmetric Carbon MTB Rim?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe Standard layup weighs 455 ±10g per rim, and the Superlight version weighs 385 ±10g, suitable for performance-focused builds.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs a 30mm internal width suitable for enduro and freeride use?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The 30mm internal width provides optimal support for 2.3–2.6\" tires, ensuring traction and stability for aggressive riding.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the benefits of the asymmetric rim profile?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe asymmetric U-shape allows for more even spoke tension, improving wheel stability, durability, and long-term trueness compared to symmetric rims.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eDoes this rim support tubeless tires?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. The hookless, tubeless-ready construction supports modern MTB tubeless setups for reduced flats and lower rolling resistance.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow does the Bola rim compare to premium international brands?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBola rims offer similar Toray carbon quality, multi-scenario adaptability, and strict QC with transparent pricing. Premium brands may feature proprietary compliance technology but at a higher price point.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er Asymmetric Carbon MTB Rim – 30mm Internal, Freeride \u0026 Enduro Optimized\",\n  \"description\": \"The 29er Asymmetric Carbon MTB Rim offers a cost-effective upgrade for riders seeking balanced strength, lightweight performance, and precise handling on aggressive trails, freeride, and enduro terrain. Built with premium Toray carbon and tested for durability, this rim delivers reliable support for 2.3–2.6\\\" tires at a fair price, making it accessible for both individual cyclists and B2B partners. Key Features \u0026amp; Specs Rim Size: 29 inch (622mm BSD) Rim Shape: Asymmetric U-shaped profile for balanced spoke tension Rim Height: 30mm Internal Width: 30mm (optimized for 2.3–2.6\\\" MTB tires) External Width: 36mm Weights: Standard 455 ±10g | Superlight 385 ±10g per rim Material: Premium Toray carbon fiber layup Tubeless Ready: Compatible with modern tubeless MTB tire systems Spoke Configuration: Asymmetric spoke bed enhances long-term trueness and wheel stability Strength: \u0026gt;300kg forward compressive | \u0026gt;50kg lateral torsion Flatness Tolerance: \u0026lt;0.3mm Warranty: 2-year global coverage How it Compares Feature Bola 29er Asymmetric Typical Premium Model* Rim Shape Asymmetric U-profile Asymmetric\/Unique profile Internal Width 30mm 30–32mm Weight 385–455g (Superlight\/Std) 400–490g Intended Use Freeride, Enduro, Aggressive Trail Enduro, All-mountain, Pro-level Racing Material \u0026amp; QC Toray Carbon, Multi-stage QC Brand-specific carbon, proprietary QC Warranty 2-year global 2-year+ (varies) Pricing Cost-effective, factory-direct High retail price, brand premium *Comparison reference: ENVE AM30, Bontrager Line Pro, DT Swiss EXC series. Premium models may offer additional compliance or vibration-damping features but command significantly higher pricing. Recommended Use Cases Upgrading stock 29er MTB wheels for trail, enduro, or freeride riding Building custom bikes focused on balanced speed, traction, and comfort B2B supply for bike shops, resellers, and OEM\/ODM projects Riders targeting versatile wheelsets suitable for training and racing Cyclists transitioning from budget or worn-out aluminum\/carbon rims Frequently Asked Questions What is the weight of the Bola 29er Asymmetric Carbon MTB Rim? The Standard layup weighs 455 ±10g per rim, and the Superlight version weighs 385 ±10g, suitable for performance-focused builds. Is a 30mm internal width suitable for enduro and freeride use? Yes. The 30mm internal width provides optimal support for 2.3–2.6\\\" tires, ensuring traction and stability for aggressive riding. What are the benefits of the asymmetric rim profile? The asymmetric U-shape allows for more even spoke tension, improving wheel stability, durability, and long-term trueness compared to symmetric rims. Does this rim support tubeless tires? Yes. The hookless, tubeless-ready construction supports modern MTB tubeless setups for reduced flats and lower rolling resistance. How does the Bola rim compare to premium international brands? Bola rims offer similar Toray carbon quality, multi-scenario adaptability, and strict QC with transparent pricing. 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It offers a balance of high strength, low weight, and wide tire support for enhanced grip and stability on technical terrain. Available in standard (465g ±15g) and superlight (410g ±10g) layups to suit various performance needs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWheel Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29er (622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eU-shape, hookless tubeless-ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter \/ Inner Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm \/ 34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eERD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e579mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard 465 ±15g | Superlight 410 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-modulus Toray carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompressive Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLateral Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubeless Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (hookless bead)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Years (Coverage: material \u0026amp; manufacturing defects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance \u0026amp; Use-Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e34mm inner maximizes tire air volume and patch for improved traction on rough, technical trails.\u003c\/li\u003e\n\u003cli\u003e30mm height balances efficiency with lateral stiffness for precise handling at speed.\u003c\/li\u003e\n\u003cli\u003eAvailable in two layups: Standard for durability, Superlight to save rotational mass.\u003c\/li\u003e\n\u003cli\u003eSupports 2.25\"–2.6\" tubeless tire setups for aggressive all-mountain, enduro, and competitive use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003cth\u003eSuperlight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e465 ±15g\u003c\/td\u003e\n\u003ctd\u003e410 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eToray Carbon\u003c\/td\u003e\n\u003ctd\u003eToray Carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg compressive\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg compressive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat are the best 29er carbon MTB rims for enduro and all-mountain riding?\u003c\/h3\u003e\n\u003cp\u003eThis model features proven high-modulus carbon construction and wide 34 mm support, optimized for technical all-mountain and enduro use.\u003c\/p\u003e\n\u003ch3\u003eIs 34mm inner width good for aggressive riding?\u003c\/h3\u003e\n\u003cp\u003eYes, 34 mm accommodates large tires, increases stability, and supports lower pressures for technical trails.\u003c\/p\u003e\n\u003ch3\u003eDifference between standard and superlight layups?\u003c\/h3\u003e\n\u003cp\u003eThe superlight version saves 55g per rim, improving acceleration; the standard offers greater impact resistance. Both exceed \u0026gt;300kg strength benchmarks.\u003c\/p\u003e\n\u003ch3\u003eHow does carbon compare to aluminum for 29er rims?\u003c\/h3\u003e\n\u003cp\u003eCarbon fiber typically provides higher stiffness-to-weight ratio and better vibration damping; however, carbon costs more and can be more brittle if abused.\u003c\/p\u003e\n\u003ch3\u003eAre wide carbon rims better for traction?\u003c\/h3\u003e\n\u003cp\u003eWider rims (30–34mm) increase tire stability and contact patch, improving grip in demanding enduro conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Durable Carbon Construction\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er carbon MTB rim 34mm inner combines advanced carbon fiber materials to deliver an impressive strength-to-weight ratio. This rim is engineered for enduro riders seeking both durability and lightweight performance. The 34mm inner width enhances tire support for optimal grip and control on rugged trails while keeping the overall wheelset weight minimal. This construction ensures that the rim can handle challenging terrain without adding unnecessary bulk, making it an essential upgrade for riders focused on speed and responsiveness.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Dimensions for Tubeless Enduro Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 34mm inner width and 30mm rim height, this 29er carbon MTB rim perfectly balances stability and agility. The wider internal width enables a variety of tire sizes to be mounted tubeless, improving traction and reducing pinch flat risks. The 30mm height offers aerodynamic benefits without compromising the rim’s stiffness or strength. As a tubeless-compatible design, it allows riders to run lower tire pressures for enhanced comfort and trail feedback, key advantages for enduro mountain biking.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eEnhanced Performance and Trail Control\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eUsing the 29er carbon MTB rim 34mm inner allows riders to maximize bike handling on diverse terrain. The improved tire profile supports better cornering grip and brake control, particularly on technical descents. Its tubeless-ready nature means fewer punctures and less air pressure loss, contributing to longer rides with less maintenance downtime. Whether climbing steep inclines or descending rough trails, this rim improves overall ride confidence and endurance, making it the perfect choice for serious mountain bikers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48126788174078,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48126788206846,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48126788239614,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48126788272382,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48126788305150,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48126788337918,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48126788370686,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48126788403454,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48126788436222,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48126788468990,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48126788501758,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48126788534526,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48126788567294,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48126788600062,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48126788632830,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48126788665598,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48126788698366,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48126788731134,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48126788763902,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48126788796670,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48126788829438,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48126788862206,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48126788894974,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48126788927742,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29_inch_rims_20864b66-8e80-483c-af18-d3dd453107f6.png?v=1780298359"},{"product_id":"27-5-asymmetric-carbon-mtb-rim-30mm-high-27mm-internal","title":"27.5\" Asymmetric Carbon MTB Rim, 30mm Height, 27mm Internal","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the Advantages of the 27.5 inch Asymmetric Carbon MTB Rim\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Lightweight, durable carbon rim for cross-country (XC) and all-mountain (AM) riders needing balanced strength, weight, and handling. Choose Standard (430 ± 15g) or Superlight (365 ± 10g) build. Asymmetric spoke bed optimizes tension, reducing wheel fatigue and improving lateral stiffness on technical terrain.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRim Size: 27.5\" (650B) for modern XC \u0026amp; all-mountain bikes\u003c\/li\u003e\n\u003cli\u003eProfile: 30mm depth, 27mm internal width, 33mm external width – maximizes tire stability for 2.2\"–2.6\" tires\u003c\/li\u003e\n\u003cli\u003eConstruction: High-modulus carbon fiber (T700\/T800 grade), U-shape hookless, tubeless-ready\u003c\/li\u003e\n\u003cli\u003eWeight: Standard 430g ± 15g \/ Superlight 365g ± 10g\u003c\/li\u003e\n\u003cli\u003eAsymmetric spoke hole drilling: Reduces peak spoke tension difference between drive\/non-drive sides for improved longevity\u003c\/li\u003e\n\u003cli\u003eStrength: Forward Compressive \u0026gt;300kg, Lateral Torsion \u0026gt;50kg (internal test standards)\u003c\/li\u003e\n\u003cli\u003eCustom options: Spoke count, valve type, drilling angle\u003c\/li\u003e\n\u003cli\u003eCertifications: Dynamic Equilibrium \u0026lt;3g out-of-round (internal), 3-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification Comparison\u003c\/h3\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRim Size\u003c\/th\u003e\n\u003cth\u003eInternal Width\u003c\/th\u003e\n\u003cth\u003eRim Height\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eOffset (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThis Rim\u003c\/td\u003e\n\u003ctd\u003e27.5\"\u003c\/td\u003e\n\u003ctd\u003e27mm\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e365–430g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXC728X\u003c\/td\u003e\n\u003ctd\u003e27.5\"\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003ctd\u003e315–345g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTR730X\u003c\/td\u003e\n\u003ctd\u003e27.5\"\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e375g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXC724X\u003c\/td\u003e\n\u003ctd\u003e27.5\"\u003c\/td\u003e\n\u003ctd\u003e24mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e285–310g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs a 27mm inner width carbon rim suitable for aggressive all-mountain riding?\u003c\/strong\u003e\u003cbr\u003eYes, 27mm inner width supports wider tires (2.2\"–2.6\"), improving sidewall support and grip on technical and aggressive terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the weight difference between Standard and Superlight models?\u003c\/strong\u003e\u003cbr\u003eSuperlight: 365 ± 10g; Standard: 430 ± 15g. Weight difference: approximately 65g per rim, impacting acceleration and climbing ease.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy choose an asymmetric carbon rim?\u003c\/strong\u003e\u003cbr\u003eAsymmetric geometry offsets spoke holes, balancing spoke tension and enhancing wheel durability in high-stress riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre there carbon 27.5 rims under 400g for XC racing?\u003c\/strong\u003e\u003cbr\u003eYes, the Superlight variant at 365g is optimized for competitive XC use and meets sub-400g requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does your 27.5\" rim compare to other leading carbon XC rims?\u003c\/strong\u003e\u003cbr\u003eThis rim offers a balance of high lateral\/torsional strength, modern internal width, and verified test metrics matching peer review standards for EU\/NA brands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAdvanced Design for Optimal Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 27.5 inch asymmetric carbon MTB rim is engineered to enhance your mountain biking experience by delivering improved strength and balance. Its asymmetric construction optimizes spoke tension, promoting greater wheel durability and stability on rugged trails. With a 30mm rim height and 27mm internal width, this rim offers an excellent balance between lightweight agility and robust performance, perfect for aggressive riders seeking reliable control and precision on diverse terrains.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Carbon Material for Enhanced Durability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted from high-quality carbon fiber, the 27.5 inch asymmetric carbon MTB rim ensures a lightweight yet incredibly strong frame. Carbon's superior stiffness allows for better power transfer and responsiveness during rides, reducing rider fatigue over long distances. Additionally, its natural vibration damping properties improve riding comfort on rocky and uneven surfaces, making it a top choice for serious mountain bikers who demand both durability and performance without added weight.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Dimensions for Versatility and Comfort\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 30mm rim height paired with a 27mm internal rim width, this asymmetric MTB rim offers a versatile profile that perfectly accommodates a wide variety of tire sizes. This combination enhances tire stability and support, reducing the risk of pinch flats while improving traction on technical terrains. 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Available in 315g (superlight) and 380g (standard) builds for premium performance with modern high-volume tires.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 27.5\" (650B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 25mm – supports 2.3\"–2.6\" MTB tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile Height:\u003c\/strong\u003e 30mm for lateral stiffness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eERD:\u003c\/strong\u003e 540mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 315g ±10g (superlight), 380g ±15g (standard), per rim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium carbon fiber (T700\/T800 blend)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Shape:\u003c\/strong\u003e U-channel, hookless tubeless-ready\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Forward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg (laboratory-tested)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Options for spoke count, custom branding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Specification Table\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Height\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e315g \/ 380g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003eUp to 120kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibile Tires\u003c\/td\u003e\n\u003ctd\u003e2.3\"–2.6\" Tubeless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Material\u003c\/td\u003e\n\u003ctd\u003eHigh-strength carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eReal-World Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Trail \u0026amp; Enduro:\u003c\/strong\u003e Delivers lateral stiffness and impact resistance over rough terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Race Builds:\u003c\/strong\u003e 315g superlight option suits competitive climbers or weight-focused trail bikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUrban E-MTB or AM Riding:\u003c\/strong\u003e Maintains stability and tubeless performance with modern tire profiles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison: Carbon vs Alloy 27.5\" Enduro Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eWeight (avg.)\u003c\/th\u003e\n\u003cth\u003eImpact Resistance\u003c\/th\u003e\n\u003cth\u003eTubeless Ready\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon (this rim)\u003c\/td\u003e\n\u003ctd\u003e315–380g\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg (tested)\u003c\/td\u003e\n\u003ctd\u003eYes, hookless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlloy\u003c\/td\u003e\n\u003ctd\u003e480–520g\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;220kg\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is a 25mm inner width sufficient for technical enduro riding?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Yes. 25mm inner widths deliver optimal support for 2.3–2.6\" enduro tires, balancing responsive handling and puncture resistance at lower pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What advantage does a 30mm profile bring?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Enhanced lateral stiffness for sharper cornering, proven by comparative tests with 23.5–26mm profile rims.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How does this rim compare to 31-32mm internal competitors?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Offers lighter weight while providing reliable tire stability for most enduro\/all-mountain use. 31-32mm may be better for plus-size tires (\u0026gt;2.6\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum recommended rider weight?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Lab-tested for up to 120kg rider+bike weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this rim compatible with both tubeless and tube setups?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Yes. Hookless channel supports both systems. For optimal performance, use with modern tubeless tires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTested to ISO 4210-7:2014 standards (safety requirements for wheels and rims)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBrand Commitment:\u003c\/strong\u003e Decade-long engineering partnership with small-medium cycling brands and pro teams, delivering custom options, quality assurance, and competitive pricing, all backed by sustainable sourcing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Durable Carbon Construction\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 27.5 carbon MTB rim enduro is crafted from advanced carbon fiber materials that offer an excellent strength-to-weight ratio. This construction ensures a lightweight rim without sacrificing durability, making it the perfect choice for aggressive trail riders and Enduro enthusiasts. Its robust build handles rough terrain and impacts reliably, providing confidence on challenging descents while maintaining overall bike responsiveness for efficient climbs.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Design with 25mm Internal Width and 30mm Profile\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 25mm internal width and a 30mm rim profile, this carbon MTB rim balances tire stability with rolling efficiency. The wider internal width accommodates a broad range of tire sizes suitable for Enduro and All-Mountain (AM) demands, enhancing traction and cornering control. The 30mm profile adds stiffness and lateral strength, reducing rim flex during technical maneuvers, thereby improving overall ride precision.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePerfect for Enduro and All-Mountain Riding Styles\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned specifically for enduro and AM riders, the 27.5 carbon MTB rim enduro offers exceptional versatility and performance on varied terrain. Its reliable strength and lightweight characteristics make it ideal for tackling demanding routes that involve both high-speed descents and technical climbs. 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Fully ETRTO compliant for tire\/rim safety and tested to \u0026gt;280kgf spoke tension. 3-year warranty and OEM customization available for brands and teams.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e650B \/ 27.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e315 ± 10g (superlight); 380 ± 15g (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProfile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eU-shaped, Asymmetric (offset)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTubeless Presta (French) valve compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpoke Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28\/32 available, \u0026gt;280kgf tension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eToray unidirectional and woven carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eETRTO 2023, ISO 4210-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eXC \u0026amp; Trail Performance, Verified Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e25mm inner width excels with 2.1–2.4\" XC and trail tires, supporting 45–65psi, aligning with modern tire standards.\u003c\/li\u003e\n\u003cli\u003eAsymmetric offset design improves spoke angle to balance tension, increasing lateral rigidity and durability for racing and all-mountain use.\u003c\/li\u003e\n\u003cli\u003eHookless tubeless profile reduces pinch flats, supports lower tire pressure, and ensures secure tire fit.\u003c\/li\u003e\n\u003cli\u003eMeets ETRTO and ISO industry standards for rim\/tire safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison Table: 650B Carbon MTB Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003eBola 650B\u003c\/th\u003e\n\u003cth\u003eUltra XC Comp\u003c\/th\u003e\n\u003cth\u003eOEM 650B Pro\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (g)\u003c\/td\u003e\n\u003ctd\u003e315 \/ 380\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width (mm)\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height (mm)\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Hookless\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003ctd\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is a 25mm inner width rim suitable for modern XC and trail tires?\u003c\/strong\u003e \u003cbr\u003eA: Yes, 25mm inner width accommodates 2.1–2.4\" tires, optimizing contact patch and support at lower pressures for cross-country and aggressive trail use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are hookless rims safe for aggressive riding?\u003c\/strong\u003e \u003cbr\u003eA: This rim is ETRTO certified, designed for 45–65psi, and tested to \u0026gt;280kgf spoke tension for reliable tubeless performance in racing and trail environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the main advantage of an asymmetric (offset) rim in MTB?\u003c\/strong\u003e \u003cbr\u003eA: Offset increases spoke tension balance between drive\/non-drive sides, improving wheel stiffness and longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What tire and hub standards are compatible?\u003c\/strong\u003e \u003cbr\u003eA: Compatible with 27.5\"\/650B wheels, ETRTO-compliant tubeless tires (2.1–2.4\"), and Boost\/non-Boost hubs supporting 28–32 spokes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How does the rim compare with other ultralight 650B options?\u003c\/strong\u003e \u003cbr\u003eA: The Bola rim offers lower verified weight, ETRTO\/ISO compliance, asymmetric design, and OEM customization for brand-focused buyers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInnovative Hookless Carbon Design for Enhanced Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 27.5 hookless carbon MTB rim incorporates a cutting-edge hookless rim design that significantly improves strength and reduces weight compared to traditional hooked rims. This design allows for better tire compatibility, enabling riders to run lower tire pressures without compromising durability. The carbon fiber construction ensures excellent responsiveness and stiffness, making it perfect for cross-country (XC) riders seeking speed and control on various terrains. Its hookless nature also simplifies tubeless tire setup, resulting in fewer flats and enhanced trail confidence.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAsymmetric Rim Profile for Balanced Strength and Stability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis 27.5 hookless carbon MTB rim features an asymmetric shape, which optimizes spoke tension on both sides of the wheel. This balance enhances wheel durability and reduces the likelihood of spoke breakage or rim deformation under stress. The 25mm internal width offers a wider tire footprint that improves traction and comfort while maintaining aerodynamic efficiency essential for XC riding. Together, these attributes provide riders with a reliable, responsive rim that performs well in demanding mountain bike conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Construction with 25mm Internal Width for Versatile XC Use\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith a 25mm internal width, this 27.5 hookless carbon MTB rim strikes the perfect balance between lightweight agility and tire volume capacity. Weight savings from the carbon fiber design improve acceleration and climbing efficiency, while the rim width supports wider tires for enhanced grip and shock absorption. This rim is ideal for trail and cross-country cyclists who prioritize speed and stability without sacrificing durability. Its compatibility with a wide range of tires ensures versatility for diverse riding styles and trail challenges.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48092926640382,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48092926673150,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48092926705918,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48092926738686,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48092926771454,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48092926804222,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48092926836990,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48092926869758,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48092926902526,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48092926935294,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48092926968062,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48092927000830,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48092927033598,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48092927066366,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48092927099134,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48092927131902,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48092927164670,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48092927197438,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48092927230206,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48092927262974,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48092927295742,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48092927328510,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48092927361278,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48092927394046,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/mtb_rims.png?v=1780298344"},{"product_id":"27-5-superlight-carbon-mtb-rim-30mm-inner-370g-bola","title":"27.5\" Superlight Carbon MTB Rim, 30mm Inner, 370g – Bola","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the Features of the 27.5 Superlight Carbon MTB Rim\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized for trail, cyclocross, and all mountain riding,\u003c\/strong\u003e the Bola 27.5er carbon rim offers a \u003cstrong\u003e30mm inner width\u003c\/strong\u003e and a \u003cstrong\u003esuperlight 370g (±10g) build.\u003c\/strong\u003e Engineered with a U-channel profile and 30mm height, it's suitable for tubeless setups (45–65 psi, max rider weight 100kg). Widely specified by competitive teams seeking stability and traction with 2.25\"–2.6\" MTB or 35–42mm cyclocross tires.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus carbon fiber (T700\/T800 equivalent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Superlight):\u003c\/strong\u003e 370g ±10g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Width:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 36mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 30mm (U-shape, hookless-compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Rim Diameter (ERD):\u003c\/strong\u003e 540mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressive Strength:\u003c\/strong\u003e \u0026gt;300kg; \u003cstrong\u003eLateral Torsion:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Type:\u003c\/strong\u003e Disc-specific\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturing defects)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification Comparison\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThis Rim\u003c\/th\u003e\n\u003cth\u003eIndustry Typical\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e370g\u003c\/td\u003e\n\u003ctd\u003e400–450g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25–28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Ready\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eVaries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003ctd\u003e200–250kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is a 30mm inner width suitable for cyclocross?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. A 30mm inner width supports 35–42mm cyclocross tires, providing improved contact for traction without exceeding UCI limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Which tires are compatible?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Fits 27.5\" (650b) tubeless or clincher tires 2.25\"–2.6\"; cyclocross tires 35–42mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the recommended max rider weight?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Up to 100kg per manufacturer test standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How does 30mm width affect tire shape?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It increases tire air volume for better traction and stability on loose or off-camber terrain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications \u0026amp; Testing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Test:\u003c\/strong\u003e ISO4210, EN14766\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC:\u003c\/strong\u003e 100% ultrasound \u0026amp; dynamic stress tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eUltra-Lightweight Design for Peak Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 27.5 superlight carbon MTB rim by Bola delivers unmatched weight efficiency at just 370 grams. This lightweight design greatly reduces the rotational mass of your mountain bike, enhancing acceleration and handling on challenging terrain. Crafted from premium carbon fibers, the rim ensures strength without sacrificing weight advantages. Cyclists seeking speed and responsiveness benefit from this innovative build, making it ideal for cross-country and trail riding where every gram counts. The combination of lightweight and durability positions the rim as a top choice for riders demanding peak performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal 30mm Inner Width for Tire Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeaturing a 30mm inner width, this 27.5 superlight carbon MTB rim provides excellent tire support and stability. The wider rim profile helps maintain tire shape under pressure, improving traction and cornering control on rocky or loose surfaces. Riders can confidently mount a variety of tire widths, optimizing grip and comfort without compromising speed. This flexible sizing enhances the riding experience by balancing agility with increased contact patch, making it suitable for diverse trail conditions and riding styles.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Strength You Can Trust\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDespite its light weight, the Bola 27.5 superlight carbon MTB rim offers robust durability needed for rough mountain trails. The carbon construction is engineered for high impact resistance and fatigue strength, withstanding the demands of aggressive riding. Advanced resin systems and precise carbon layup techniques ensure the rim maintains its integrity over long-term use. 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It is optimized for 2.3\"–2.6\" mountain and 33–40mm cyclocross tire compatibility, all-mountain\/enduro conditions, and is designed for tubeless setups. \u003cstrong\u003eWhy asymmetric design?\u003c\/strong\u003e The offset spoke bed equalizes tension (nipple angle L5°\/R7°), increasing lateral stiffness and wheel durability, especially under heavy torque loads. 3-year manufacturer warranty applies.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus carbon fiber (T700\/T800)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeights:\u003c\/strong\u003e Standard 435g ± 15g; Superlight 370g ± 10g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Width:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Diameter:\u003c\/strong\u003e 27.5\" \/ 650B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 100kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Pressure:\u003c\/strong\u003e 45–65 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturing defects; excludes crash)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliant with:\u003c\/strong\u003e ISO 4210 standards, internal quality\/QC protocols\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComparison Table\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003cth\u003eSuperlight\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e435g ± 15g\u003c\/td\u003e\n\u003ctd\u003e370g ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eAll-Mountain\/Enduro\u003c\/td\u003e\n\u003ctd\u003eCyclocross\/XC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Size\u003c\/td\u003e\n\u003ctd\u003e2.6\" MTB\u003c\/td\u003e\n\u003ctd\u003e2.4\" MTB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is 30mm inner width suitable for aggressive trail or cyclocross?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Yes; 30mm offers stable tire support for 2.3–2.6\" MTB and 33–40mm cyclocross tires, improving traction and cornering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What makes an asymmetric carbon rim better?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Offset profile balances spoke tension, improving strength and long-term trueness compared to standard symmetric rims.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this rim with standard (non-tubeless) tires?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Yes; compatible with both tubeless and clincher tires when used with appropriate rim tape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the expected price range for an ultralight carbon rim under 400g?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Premium, custom carbon rims in the 350–400g range typically start from $160–$270 USD, depending on spec and warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What certifications or testing are performed?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA:\u003c\/em\u003e Each rim is tested to ISO 4210 and internal fatigue\/impact standards, with QC data available on request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Asymmetric Carbon 27.5er MTB Rim – 30mm Inner Width, 435g \/ 370g Ultralight, Tubeless-Ready for All-Mountain \u0026 Cyclocross\",\n  \"description\": \"Asymmetric Carbon 27.5\\\" MTB Rim – 30mm Inner Width, Tubeless-Ready Direct answer: This asymmetric carbon 27.5 MTB rim features a 30mm inner width and supports both standard (435g) and superlight (370g) build grades. It is optimized for 2.3\\\"–2.6\\\" mountain and 33–40mm cyclocross tire compatibility, all-mountain\/enduro conditions, and is designed for tubeless setups. Why asymmetric design? The offset spoke bed equalizes tension (nipple angle L5°\/R7°), increasing lateral stiffness and wheel durability, especially under heavy torque loads. 3-year manufacturer warranty applies. Product Specifications Material: High-modulus carbon fiber (T700\/T800) Weights: Standard 435g ± 15g; Superlight 370g ± 10g Inner Width: 30mm Rim Diameter: 27.5\\\" \/ 650B Tubeless Ready: Yes Max Rider Weight: 100kg Tire Pressure: 45–65 psi Warranty: 3 years (manufacturing defects; excludes crash) Compliant with: ISO 4210 standards, internal quality\/QC protocols Comparison Table Parameter Standard Superlight Weight 435g ± 15g 370g ± 10g Intended Use All-Mountain\/Enduro Cyclocross\/XC Max Tire Size 2.6\\\" MTB 2.4\\\" MTB FAQs Q: Is 30mm inner width suitable for aggressive trail or cyclocross? A: Yes; 30mm offers stable tire support for 2.3–2.6\\\" MTB and 33–40mm cyclocross tires, improving traction and cornering. Q: What makes an asymmetric carbon rim better? A: Offset profile balances spoke tension, improving strength and long-term trueness compared to standard symmetric rims. Q: Can I use this rim with standard (non-tubeless) tires? A: Yes; compatible with both tubeless and clincher tires when used with appropriate rim tape. Q: What is the expected price range for an ultralight carbon rim under 400g? A: Premium, custom carbon rims in the 350–400g range typically start from $160–$270 USD, depending on spec and warranty. Q: What certifications or testing are performed? 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technical terrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is a 34mm inner width rim suitable for 2.3\"–2.6\" MTB tires?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 34mm width provides optimal support for 2.3–2.6 inch mountain bike tires, balancing sidewall support and volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the advantage of a superlight 390g rim?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Lower rotational weight improves acceleration and climbing, supporting endurance and race applications, while the structural design maintains stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How does hookless rim design affect tubeless setup?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Hookless rims facilitate tubeless tire installation, reduce pinch flats, and are compatible with most modern MTB tires when appropriate pressure limits are observed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Certified\/tested for quality?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e All Bola rims undergo stringent quality control and destructive testing according to ISO4210-7:2014(E) standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Warranty details?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 3-year limited warranty against manufacturing defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuyer Guidance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for brands, teams, and cyclists seeking customizable, lightweight, high-performance carbon rims for XC racing, trail, and technical all-mountain terrain.\u003c\/li\u003e\n\u003cli\u003eNot recommended for gravity\/enduro disciplines requiring heavier rim profiles (\u0026gt;500g).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design with High Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 27.5 superlight carbon MTB rim 34mm is engineered to deliver exceptional performance without compromising strength. Weighing significantly less than traditional rims, this carbon rim offers excellent stiffness and responsive handling for cross-country (XC) and trail riders. The innovative carbon fiber construction reduces rotational mass, allowing quicker acceleration and enhanced control on diverse terrains. Its lightweight profile makes it an ideal choice for riders seeking speed and agility while maintaining durability during rugged rides.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimal Dimensions for XC and Trail Riding\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis MTB rim features a 34mm inner width and 30mm height, providing a perfect balance of stability and aerodynamics for XC and trail conditions. The 34mm inner width is wide enough to support modern tire profiles, improving traction and grip on loose or uneven surfaces. Meanwhile, the 30mm rim height enhances rigidity without adding unnecessary weight, helping to maintain speed and control on technical descents and climbs. This design is versatile and tailored for aggressive mountain biking.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Reliability for Rugged Trails\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eConstructed with advanced carbon fiber materials, the 27.5 superlight carbon MTB rim 34mm promises superior durability and impact resistance. The rim’s robust build withstands harsh trail conditions, including rocks and roots, while providing consistent performance ride after ride. The carbon layup is optimized to avoid cracking or deformation under stress, ensuring long-lasting reliability. For riders who demand both lightweight components and toughness, this rim offers an excellent combination for all-day mountain adventures.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48093048733950,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48093048766718,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48093048799486,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48093048832254,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48093048865022,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48093048897790,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48093048930558,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48093048963326,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48093048996094,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48093049028862,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48093049061630,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48093049094398,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48093049127166,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48093049159934,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48093049192702,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48093049225470,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48093049258238,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48093049291006,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48093049323774,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48093049356542,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48093049389310,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48093049422078,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48093049454846,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48093049487614,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/650b_rims.jpg?v=1780298319"},{"product_id":"700c-34mm-wide-carbon-road-gravel-rim-45mm-50mm-wavy-profile-disc-brake-24-spoke-385-460g","title":"700c 34mm Wide Carbon Rim, Wavy 45mm or 50mm Profile, Disc Brake, 24 Spoke, 385–460g","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the 700c 34mm Carbon Disc Brake Rim for Superior Performance\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003ewide-profile, high-modulus carbon fiber rim\u003c\/strong\u003e engineered for 700c disc brake road, gravel, and endurance builds. Available in 45mm and 50mm depths with a 34mm external width and 25mm internal width, this rim is compatible with tubeless and clincher tire setups. Weight options range from 460g (standard) down to 385g (extreme light), giving teams and individual builders precise weight-to-durability control.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eUV Wave (hooked)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Depth\u003c\/td\u003e\n\u003ctd\u003e45mm \/ 50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Width\u003c\/td\u003e\n\u003ctd\u003e34mm (45mm depth) \/ 31mm (50mm depth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e539mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Count\u003c\/td\u003e\n\u003ctd\u003e24H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eDisc brake only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eFront: 7° \/ Rear: 5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Variants\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e460g\u003c\/td\u003e\n\u003ctd\u003e±15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e425g\u003c\/td\u003e\n\u003ctd\u003e±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e405g\u003c\/td\u003e\n\u003ctd\u003e±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e385g\u003c\/td\u003e\n\u003ctd\u003e±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Lower weight grades use a more aggressive fiber layup schedule. For rider weights above 100 kg or rough gravel courses, the Standard or Superlight grade is recommended for additional structural margin.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eStructural Strength Ratings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e45mm vs 50mm Depth — Which to Choose?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e45mm depth\u003c\/strong\u003e (34mm external width) offers a better crosswind stability profile and is preferred for mixed-terrain gravel racing, climbing stages, and endurance road events where handling precision is critical. The \u003cstrong\u003e50mm depth\u003c\/strong\u003e (31mm external width) delivers greater aerodynamic efficiency on flat or rolling courses, making it a common choice for criterium, triathlon, and flat gran fondo applications. Both depths share identical internal width (25mm), spoke count (24H), and structural ratings.\u003c\/p\u003e\n\u003ch2\u003eTubeless \u0026amp; Disc Brake Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe 25mm internal width accepts tire widths from \u003cstrong\u003e28mm to 50mm\u003c\/strong\u003e, accommodating tubeless-ready road tires (28–32mm), gravel tires (35–45mm), and light all-road tires. The disc-brake-only rim bed eliminates brake track wear, and the UV wave profile provides a consistent bead seat geometry for tubeless installation. No rim tape is required for tubeless setups when used with compatible valves and sealant.\u003c\/p\u003e\n\u003ch2\u003eCustomization Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eValve hole diameter: 6.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eSpoke hole diameter: 4.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eAssembly hole diameter: 7.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eNipple angle: Front 7°, Rear 5° \u0026amp; 7°, or custom offset\u003c\/li\u003e\n\u003cli\u003eLogo, decal, and color customization available for OEM and team orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs a 34mm wide carbon rim suitable for gravel riding or only road cycling?\u003c\/h3\u003e\n\u003cp\u003eYes. The 25mm internal width of this rim comfortably accommodates gravel tires up to 45mm wide, making it well-suited for gravel endurance and mixed-surface racing. The wider internal channel improves tire casing support and reduces pinch flat risk compared to rims under 21mm internal width.\u003c\/p\u003e\n\u003ch3\u003eHow much weight can I save by choosing the extreme light (385g) grade over standard (460g)?\u003c\/h3\u003e\n\u003cp\u003eSwitching from the 460g standard to the 385g extreme light grade saves 75g per rim, or approximately 150g per wheelset. At typical road build weights, this is a measurable reduction. However, the extreme light layup has a tighter structural margin; it is best suited for riders under 75 kg on road-only surfaces.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between 45mm and 50mm depth for climbing vs flat roads?\u003c\/h3\u003e\n\u003cp\u003eThe 45mm depth offers a lower aerodynamic drag penalty in crosswinds and a marginally lower rim weight, making it the preferred choice for climbing and technical courses. The 50mm depth provides greater aerodynamic advantage on flat or rolling terrain above approximately 38 km\/h. For a general-purpose disc brake build, the 45mm depth is the more versatile option.\u003c\/p\u003e\n\u003ch3\u003eWhat should I look for in a wide carbon rim for a tubeless disc brake setup?\u003c\/h3\u003e\n\u003cp\u003eKey parameters include: internal width ≥23mm for road tubeless or ≥25mm for gravel tubeless, a hooked or hookless bead seat profile, flatness tolerance ≤0.2mm for reliable tubeless seating, and a valve hole diameter compatible with your valve stem (6.5mm accommodates most standard road valves). This rim meets all four criteria.\u003c\/p\u003e\n\u003ch3\u003eDoes this rim support both clincher and tubeless tire systems?\u003c\/h3\u003e\n\u003cp\u003eYes. The UV wave hooked profile is compatible with both standard clincher tires and tubeless-ready tires. Tubeless installation requires a compatible tubeless valve and sealant; no additional rim tape is required due to the sealed bead channel design.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePrecision Engineering for Road \u0026amp; Gravel Bikes\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c 34mm carbon disc brake rim is specifically crafted for both road and gravel cycling enthusiasts who demand reliability and high performance. Its 34mm width optimizes tire support, allowing enhanced grip and stability across various terrains. This rim balances lightweight design and robust strength, making it a perfect choice for riders who face mixed surfaces. The carbon construction not only reduces weight but also increases stiffness and durability, enhancing overall ride quality. With a 24-spoke configuration, the rim ensures structural integrity without adding unnecessary weight.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInnovative 45mm \u0026amp; 50mm Wavy Profile Designs\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis rim features two distinctive profile options—45mm and 50mm wavy designs—that offer aerodynamic benefits and aesthetic appeal. The wavy profile improves airflow around the wheels, reducing drag and contributing to faster speeds on open roads and trails alike. By selecting between 45mm and 50mm depths, cyclists can customize their wheel setup depending on preferences for aerodynamics and handling. This adaptability ensures an optimal balance between climbability and stability, an essential factor for road and gravel riding performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Robust Construction with Disc Brake Compatibility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWeighing between 385g and 460g, this 700c carbon disc brake rim delivers a lightweight feel without sacrificing strength. The carbon fiber material combined with 24 spoke holes ensures durability under aggressive cycling conditions, including rough gravel paths. Compatible exclusively with disc brakes, this rim eliminates the heat and wear issues common to rim brakes, providing better stopping power and control. The disc brake setup also allows for more consistent braking performance in wet or muddy environments, ideal for diverse riding conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c 34mm Wide Carbon Road \u0026 Gravel Rim | 45mm\u0026 50mm Wavy profile| Disc Brake | 24 Spoke | 385–460g\",\n  \"description\": \"Explore the 700c 34mm Carbon Disc Brake Rim for Superior Performance A wide-profile, high-modulus carbon fiber rim engineered for 700c disc brake road, gravel, and endurance builds. Available in 45mm and 50mm depths with a 34mm external width and 25mm internal width, this rim is compatible with tubeless and clincher tire setups. Weight options range from 460g (standard) down to 385g (extreme light), giving teams and individual builders precise weight-to-durability control. Key Specifications Parameter Value Rim Diameter 700c (ISO 622) Rim Profile UV Wave (hooked) Available Depth 45mm \/ 50mm External Width 34mm (45mm depth) \/ 31mm (50mm depth) Internal Width 25mm ERD 539mm Spoke Count 24H Brake Type Disc brake only Valve Hole 6.5mm (customizable) Spoke Hole 4.5mm (customizable) Assembly Hole 7.5mm (customizable) Nipple Direction Front: 7° \/ Rear: 5° \u0026amp; 7° (customizable) Tire Pressure Range 100–125 psi Max Rider Weight 120 kg Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Dynamic Balance \u0026lt;3g Weight Variants Grade Weight per Rim Tolerance Standard 460g ±15g Superlight 425g ±10g Ultralight 405g ±10g Extreme Light 385g ±10g Note: Lower weight grades use a more aggressive fiber layup schedule. For rider weights above 100 kg or rough gravel courses, the Standard or Superlight grade is recommended for additional structural margin. Structural Strength Ratings Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion Resistance: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg 45mm vs 50mm Depth — Which to Choose? The 45mm depth (34mm external width) offers a better crosswind stability profile and is preferred for mixed-terrain gravel racing, climbing stages, and endurance road events where handling precision is critical. The 50mm depth (31mm external width) delivers greater aerodynamic efficiency on flat or rolling courses, making it a common choice for criterium, triathlon, and flat gran fondo applications. Both depths share identical internal width (25mm), spoke count (24H), and structural ratings. Tubeless \u0026amp; Disc Brake Compatibility The 25mm internal width accepts tire widths from 28mm to 50mm , accommodating tubeless-ready road tires (28–32mm), gravel tires (35–45mm), and light all-road tires. The disc-brake-only rim bed eliminates brake track wear, and the UV wave profile provides a consistent bead seat geometry for tubeless installation. No rim tape is required for tubeless setups when used with compatible valves and sealant. Customization Options Valve hole diameter: 6.5mm standard or custom Spoke hole diameter: 4.5mm standard or custom Assembly hole diameter: 7.5mm standard or custom Nipple angle: Front 7°, Rear 5° \u0026amp; 7°, or custom offset Logo, decal, and color customization available for OEM and team orders Frequently Asked Questions Is a 34mm wide carbon rim suitable for gravel riding or only road cycling? Yes. The 25mm internal width of this rim comfortably accommodates gravel tires up to 45mm wide, making it well-suited for gravel endurance and mixed-surface racing. The wider internal channel improves tire casing support and reduces pinch flat risk compared to rims under 21mm internal width. How much weight can I save by choosing the extreme light (385g) grade over standard (460g)? Switching from the 460g standard to the 385g extreme light grade saves 75g per rim, or approximately 150g per wheelset. At typical road build weights, this is a measurable reduction. However, the extreme light layup has a tighter structural margin; it is best suited for riders under 75 kg on road-only surfaces. What is the difference between 45mm and 50mm depth for climbing vs flat roads? The 45mm depth offers a lower aerodynamic drag penalty in crosswinds and a marginally lower rim weight, making it the preferred choice for climbing and technical courses. The 50mm depth provides greater aerodynamic advantage on flat or rolling terrain above approximately 38 km\/h. For a general-purpose disc brake build, the 45mm depth is the more versatile option. What should I look for in a wide carbon rim for a tubeless disc brake setup? Key parameters include: internal width ≥23mm for road tubeless or ≥25mm for gravel tubeless, a hooked or hookless bead seat profile, flatness tolerance ≤0.2mm for reliable tubeless seating, and a valve hole diameter compatible with your valve stem (6.5mm accommodates most standard road valves). This rim meets all four criteria. Does this rim support both clincher and tubeless tire systems? Yes. The UV wave hooked profile is compatible with both standard clincher tires and tubeless-ready tires. Tubeless installation requires a compatible tubeless valve and sealant; no additional rim tape is required due to the sealed bead channel design. Precision Engineering for Road \u0026amp; Gravel Bikes The 700c 34mm carbon disc brake rim is specifically crafted for both road and gravel cycling enthusiasts who demand reliability and high performance. Its 34mm width optimizes tire support, allowing enhanced grip and stability across various terrains. This rim balances lightweight design and robust strength, making it a perfect choice for riders who face mixed surfaces. The carbon construction not only reduces weight but also increases stiffness and durability, enhancing overall ride quality. With a 24-spoke configuration, the rim ensures structural integrity without adding unnecessary weight. Innovative 45mm \u0026amp; 50mm Wavy Profile Designs This rim features two distinctive profile options—45mm and 50mm wavy designs—that offer aerodynamic benefits and aesthetic appeal. The wavy profile improves airflow around the wheels, reducing drag and contributing to faster speeds on open roads and trails alike. By selecting between 45mm and 50mm depths, cyclists can customize their wheel setup depending on preferences for aerodynamics and handling. This adaptability ensures an optimal balance between climbability and stability, an essential factor for road and gravel riding performance. Lightweight and Robust Construction with Disc Brake Compatibility Weighing between 385g and 460g, this 700c carbon disc brake rim delivers a lightweight feel without sacrificing strength. The carbon fiber material combined with 24 spoke holes ensures durability under aggressive cycling conditions, including rough gravel paths. Compatible exclusively with disc brakes, this rim eliminates the heat and wear issues common to rim brakes, providing better stopping power and control. 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tubeless-ready carbon road rim engineered for competitive racing, endurance cycling, and custom wheelset builds. The 30mm inner width accommodates tire widths from 25c to 50c, making it equally capable on fast road courses and mixed-surface endurance routes. Available in four verified weight tiers—from a standard 445g to an extreme-light 365g—so teams and brands can match rim specification precisely to rider demands.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eUV Shape (hooked tubeless-compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e558mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e100 \/ 125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Tiers\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eScheme\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e445 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e410 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e385 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e365 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Lighter weight tiers use reduced laminate schedules. For riders above 90 kg or high-torque sprint applications, the Standard or Superlight tier is recommended for optimal fatigue resistance.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eStructural Performance Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium:\u003c\/strong\u003e \u0026lt;3g imbalance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility \u0026amp; Customization\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Tubeless and clincher tires, 25c–50c recommended range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Compatibility:\u003c\/strong\u003e Fits standard 700C road, endurance, and gravel frames with minimum 40mm rim clearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHook Type:\u003c\/strong\u003e Hooked UV profile — compatible with standard road tubeless tires (not hookless-only tires)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Options:\u003c\/strong\u003e Assembly hole, valve hole, and spoke hole diameters available in custom sizes on request\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Branding:\u003c\/strong\u003e OEM\/private label available for cycling brands and professional teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 30mm inner width carbon rim suitable for endurance road and gravel cycling?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. A 30mm internal width supports tire widths from 28c to 45c at optimal inflation volume, reducing rolling resistance and improving compliance on rough surfaces — well-suited to endurance road and light gravel use.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre 36mm wide carbon rims compatible with standard road bike frames?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eMost modern road and endurance frames with 40mm+ rim clearance accommodate a 36mm outer-width rim without contact. Always verify your frame's stated maximum tire\/rim clearance before ordering.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the weight of an ultralight carbon road rim at this spec?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Ultralight tier of this rim weighs 385 ± 10g per rim. The Extreme Light option reaches 365 ± 10g. Both are achieved through selective carbon layup reduction; the Standard 445g tier is recommended for heavier riders or frequent training use.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat makes this rim suitable for tubeless setup?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe UV hooked bead profile seals tubeless tires securely within the 100–125 psi pressure range. The 6.5mm valve hole accommodates standard tubeless valves, and the rim bed geometry supports tubeless tape installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I order custom hole diameters or nipple angles?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Assembly hole, valve hole, and spoke hole diameters are customizable. Nipple direction options beyond the standard 7° front \/ 5°–7° rear are available on request for OEM and team orders.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Durable Design\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 40mm carbon road rim tubeless combines an ultralight frame weighing between 365 and 445 grams with impressive durability, designed to enhance your cycling experience. Its advanced carbon construction offers remarkable strength while maintaining the featherlight weight crucial for competitive and recreational cyclists. The balance of a 36mm outer width and 30mm inner width provides optimal profile for speed and control on the road, allowing riders to accelerate efficiently without sacrificing stability during long rides or aggressive cornering.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eTubeless Ready for Enhanced Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned specifically as a tubeless ready rim, this 40mm carbon road rim tubeless eliminates the need for traditional inner tubes, reducing rolling resistance and minimizing the risk of punctures. This tubeless compatibility not only results in a smoother ride but also allows cyclists to run lower tire pressures, increasing comfort and traction on various road surfaces. The rim’s precision engineering ensures an airtight seal, making setup straightforward and maintenance hassle-free, ideal for riders who demand reliability during endurance rides or races.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePerfect Fit for 700C Road Bikes\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOptimized for 700C road bike configurations, this 40mm carbon road rim tubeless strikes the right balance between width and aerodynamic efficiency. The rim’s dimensions are compatible with a wide range of tire sizes, enabling cyclists to customize their wheel setup based on riding conditions or personal preference. Its wide rim profile supports larger volume tires, improving grip and shock absorption without adding unnecessary drag. Whether upgrading existing wheels or building a new set, this rim delivers exceptional performance tailored to road cycling needs.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"40mm Carbon Road Rim – 36mm Outer \/ 30mm Inner Width, Tubeless Ready, 700C, Ultralight (365–445g)\",\n  \"description\": \"Explore the Benefits of the 40mm Carbon Road Rim Tubeless A high-performance, tubeless-ready carbon road rim engineered for competitive racing, endurance cycling, and custom wheelset builds. The 30mm inner width accommodates tire widths from 25c to 50c, making it equally capable on fast road courses and mixed-surface endurance routes. Available in four verified weight tiers—from a standard 445g to an extreme-light 365g—so teams and brands can match rim specification precisely to rider demands. Key Specifications Specification Value Rim Size 700C Rim Profile UV Shape (hooked tubeless-compatible) Rim Height 40mm Outer Width 36mm Inner Width 30mm ERD 558mm Valve Hole Diameter 6.5mm (customizable) Spoke Hole Diameter 4.5mm (customizable) Nipple Direction (Front) 7° Nipple Direction (Rear) 5° \u0026amp; 7° (customizable) Min \/ Max Tire Pressure 100 \/ 125 psi Max Rider Weight 120 kg Weight Tiers Scheme Weight per Rim Standard 445 ± 15g Superlight 410 ± 10g Ultralight 385 ± 10g Extreme Light 365 ± 10g Note: Lighter weight tiers use reduced laminate schedules. For riders above 90 kg or high-torque sprint applications, the Standard or Superlight tier is recommended for optimal fatigue resistance. Structural Performance Data Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion Resistance: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg Dynamic Equilibrium: \u0026lt;3g imbalance Flatness Tolerance: \u0026lt;0.15mm Roundness Tolerance: \u0026lt;0.3mm Compatibility \u0026amp; Customization Tire Compatibility: Tubeless and clincher tires, 25c–50c recommended range Frame Compatibility: Fits standard 700C road, endurance, and gravel frames with minimum 40mm rim clearance Hook Type: Hooked UV profile — compatible with standard road tubeless tires (not hookless-only tires) Drill Options: Assembly hole, valve hole, and spoke hole diameters available in custom sizes on request Custom Branding: OEM\/private label available for cycling brands and professional teams Frequently Asked Questions Is a 30mm inner width carbon rim suitable for endurance road and gravel cycling? Yes. A 30mm internal width supports tire widths from 28c to 45c at optimal inflation volume, reducing rolling resistance and improving compliance on rough surfaces — well-suited to endurance road and light gravel use. Are 36mm wide carbon rims compatible with standard road bike frames? Most modern road and endurance frames with 40mm+ rim clearance accommodate a 36mm outer-width rim without contact. Always verify your frame's stated maximum tire\/rim clearance before ordering. What is the weight of an ultralight carbon road rim at this spec? The Ultralight tier of this rim weighs 385 ± 10g per rim. The Extreme Light option reaches 365 ± 10g. Both are achieved through selective carbon layup reduction; the Standard 445g tier is recommended for heavier riders or frequent training use. What makes this rim suitable for tubeless setup? The UV hooked bead profile seals tubeless tires securely within the 100–125 psi pressure range. The 6.5mm valve hole accommodates standard tubeless valves, and the rim bed geometry supports tubeless tape installation. Can I order custom hole diameters or nipple angles? Yes. Assembly hole, valve hole, and spoke hole diameters are customizable. Nipple direction options beyond the standard 7° front \/ 5°–7° rear are available on request for OEM and team orders. Lightweight and Durable Design The 40mm carbon road rim tubeless combines an ultralight frame weighing between 365 and 445 grams with impressive durability, designed to enhance your cycling experience. Its advanced carbon construction offers remarkable strength while maintaining the featherlight weight crucial for competitive and recreational cyclists. The balance of a 36mm outer width and 30mm inner width provides optimal profile for speed and control on the road, allowing riders to accelerate efficiently without sacrificing stability during long rides or aggressive cornering. Tubeless Ready for Enhanced Performance Designed specifically as a tubeless ready rim, this 40mm carbon road rim tubeless eliminates the need for traditional inner tubes, reducing rolling resistance and minimizing the risk of punctures. This tubeless compatibility not only results in a smoother ride but also allows cyclists to run lower tire pressures, increasing comfort and traction on various road surfaces. The rim’s precision engineering ensures an airtight seal, making setup straightforward and maintenance hassle-free, ideal for riders who demand reliability during endurance rides or races. Perfect Fit for 700C Road Bikes Optimized for 700C road bike configurations, this 40mm carbon road rim tubeless strikes the right balance between width and aerodynamic efficiency. The rim’s dimensions are compatible with a wide range of tire sizes, enabling cyclists to customize their wheel setup based on riding conditions or personal preference. Its wide rim profile supports larger volume tires, improving grip and shock absorption without adding unnecessary drag. 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Available in 35mm and 40mm heights to suit either all-day endurance riding or aerodynamic efficiency.\u003c\/p\u003e\n\u003ch2\u003eWho These Rims Are Designed For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive gravel and cyclocross teams\u003c\/strong\u003e requiring sub-400g disc-specific rims without sacrificing structural integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall and medium cycling brands\u003c\/strong\u003e seeking OEM\/white-label rims with consistent, verifiable quality (three-year warranty)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance cyclists\u003c\/strong\u003e running wide tubeless setups who need a 25mm inner width for reduced rolling resistance and improved tyre volume\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRim Profile Options: 35mm vs. 40mm\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e35mm Height\u003c\/th\u003e\n\u003cth\u003e40mm Height\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use Case\u003c\/td\u003e\n\u003ctd\u003eTechnical gravel, endurance, rough terrain\u003c\/td\u003e\n\u003ctd\u003eMixed-surface racing, aerodynamic efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e539mm\u003c\/td\u003e\n\u003ctd\u003e539mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tyre Pressure\u003c\/td\u003e\n\u003ctd\u003e125 psi\u003c\/td\u003e\n\u003ctd\u003e125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Dia.\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customisable)\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFull Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Shape:\u003c\/strong\u003e U-shape (wider internal channel vs. V-shape; optimised for gravel tyre profiles)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 34mm (variant: 31mm available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Width:\u003c\/strong\u003e 25mm (tubeless-ready)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight per Rim:\u003c\/strong\u003e Normal 460±15g | Superlight 410±10g | Ultralight 360±10g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium:\u003c\/strong\u003e \u0026lt;3g imbalance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Hole Diameter:\u003c\/strong\u003e 7.5mm (customisable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Diameter:\u003c\/strong\u003e 4.5mm (customisable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNipple Direction:\u003c\/strong\u003e Front 7°, Rear 5° \u0026amp; 7° (customisable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTyre Pressure Range:\u003c\/strong\u003e 100–125 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 120kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Compatibility:\u003c\/strong\u003e Disc brake only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy U-Shape Over V-Shape for Gravel?\u003c\/h2\u003e\n\u003cp\u003eThe U-shape profile maintains a consistent internal channel width of 25mm across the full bead-seat area. Compared to a V-shape rim of equivalent height, the U-profile reduces tyre deformation under cornering loads and supports a broader tyre volume range (typically 32c–50c), which is critical for mixed-surface gravel riding. V-shape rims of similar height typically offer 2–4mm narrower internal widths, increasing tyre sidewall tension and limiting tubeless bead retention reliability on rough terrain.\u003c\/p\u003e\n\u003ch2\u003eWeight Class Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eRecommended Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e460±15g\u003c\/td\u003e\n\u003ctd\u003eTraining, endurance, heavier build tolerance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e410±10g\u003c\/td\u003e\n\u003ctd\u003eRace-day gravel, cyclocross\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e360±10g\u003c\/td\u003e\n\u003ctd\u003eCompetitive racing, weight-optimised builds (\u0026lt;120kg rider)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: The 50g reduction from Normal to Ultralight (per rim) translates to 100g savings across a paired wheelset. Ultralight rims are recommended for riders under 100kg on non-technical terrain to maintain the rated structural tolerances above.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCustomisation \u0026amp; OEM Services\u003c\/h2\u003e\n\u003cp\u003eAll hole diameters (assembly, valve, spoke) are available in custom dimensions. Nipple angle, drilling pattern, and branding options are offered for cycling brands and professional teams. Minimum order quantities and lead times are available on request. Three-year warranty included on all production runs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Are these rims tubeless-compatible?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: Yes. The 25mm inner width and U-shape profile are engineered for tubeless tyre fitment. A tubeless-ready rim tape and valve are required and sold separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Should I choose 35mm or 40mm height for gravel riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: 35mm is recommended for technical or mixed-surface gravel where vertical compliance and handling agility are priorities. The 40mm profile provides measurable aerodynamic advantage on faster, smoother gravel or mixed-road segments, with minimal additional weight penalty at this rim width.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What is the weight difference between Superlight and Ultralight versions?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: The Superlight weighs 410±10g per rim; the Ultralight weighs 360±10g per rim — a nominal 50g difference per rim, or approximately 100g for a full wheelset build.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: What tyre widths are compatible with the 25mm inner width?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: A 25mm inner width is compatible with tyres from approximately 28c to 50c. ETRTO guidelines recommend a minimum tyre width of 28mm for a 25mm internal rim width to maintain safe bead retention.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eQ: Can these rims be used with rim brake systems?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA: No. These rims are designed exclusively for disc brake drivetrains. There is no braking surface machined into the rim sidewall.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePrecision Engineering for Peak Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe ultralight 700c carbon gravel rims are crafted to deliver exceptional performance on diverse terrains. Featuring a 34mm wide profile and UV-shaped design, these rims offer enhanced aerodynamic efficiency and improved tire support. Their lightweight construction reduces rotational mass, helping riders accelerate quicker and climb more efficiently. These rims are optimized for disc brake setups, ensuring consistent stopping power and safety regardless of trail conditions. Whether you're competing or trail riding, these carbon rims enhance responsiveness and stability, making every ride smoother and more enjoyable.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Lightweight Design Combined\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBuilt from high-quality carbon fiber, these gravel rims balance durability with an ultralight weight. The 35mm and 40mm depth options provide versatility for different riding styles and terrain challenges. The carbon material resists corrosion and fatigue, offering long-lasting reliability even under demanding conditions. The wide 34mm internal width enhances tire volume capacity, improving traction and comfort on rough roads. This makes the ultralight 700c carbon gravel rims a smart investment for serious cyclists seeking both speed and endurance without sacrificing strength.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eCompatibility and Versatility for Every Gravel Rider\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned specifically for disc brake systems, these rims ensure ease of setup and maintenance on modern gravel bikes. Their 700c diameter suits a broad range of tires, allowing riders to customize their setup based on preferred terrain or riding style. The UV-shaped rim profile improves aerodynamics and helps protect against impacts, making them suitable for aggressive off-road use. With Bola’s focus on quality and innovation, these ultralight carbon gravel rims deliver an ideal blend of performance, durability, and style for riders aiming to elevate their gravel biking experience.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ Standard","offer_id":48134082167038,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Superlight","offer_id":48134082199806,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Ultralight","offer_id":48134082232574,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Standard","offer_id":48134082265342,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Superlight","offer_id":48134082298110,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Ultralight","offer_id":48134082330878,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Standard","offer_id":48134082363646,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Superlight","offer_id":48134082396414,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Ultralight","offer_id":48134082429182,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Standard","offer_id":48134082461950,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Superlight","offer_id":48134082494718,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Ultralight","offer_id":48134082527486,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wave_rimset.png?v=1780298383"},{"product_id":"700c-28mm-carbon-road-rim-45mm-50mm-wave-disc-brake-20-24-spoke","title":"700C Carbon Road Rim for Disc Brake, 28mm Wide, 45mm or 50mm Depth, 20\/24-Spoke Tubeless Ready","description":"\u003cp\u003e\u003cstrong\u003eBola 700C carbon road rims, with 28mm outer width and U-shape profile, are engineered for disc brake systems and high-performance road cycling. Choose between 45mm or 50mm rim depths, both offering a 22mm internal width for superior tire support and tubeless compatibility. Weight options range from 360g (Extreme Light) to 440g, supporting diverse riding disciplines from racing to long-distance endurance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 id=\"tinymce_scroll_sign\"\u003eDiscover the High-Performance 700c Carbon Road Disc Brake Rim\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRim Profile: 700C (ISO 622), 28mm outer \/ 22mm inner width, U-shape design\u003c\/li\u003e\n\u003cli\u003eDepth Options: 45mm or 50mm for tailored aerodynamics\u003c\/li\u003e\n\u003cli\u003eWeight Tiers: 360g \/ 380g \/ 410g \/ 440g (±15g tolerance)\u003c\/li\u003e\n\u003cli\u003eSpoke Count: 20 or 24 (disc brake only)\u003c\/li\u003e\n\u003cli\u003eConstruction: High-modulus toray-grade carbon, UD and woven layup\u003c\/li\u003e\n\u003cli\u003eTubeless Compatible: Supports tubeless and clincher tires, 28–32mm recommended\u003c\/li\u003e\n\u003cli\u003eMax Rider Weight: 120 kg | Tire Pressure: 100–125 psi\u003c\/li\u003e\n\u003cli\u003eValve Hole: 6.5mm standard (custom options available)\u003c\/li\u003e\n\u003cli\u003eCertifications: \u0026gt;300kg compressive, \u0026gt;280kg spoke tension, \u0026lt;0.3mm roundness, \u0026lt;0.15mm flatness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRim Depth Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDepth\u003c\/th\u003e\n\u003cth\u003eWheel Use Case\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eAero\/Crosswind\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003ctd\u003eClimbing, mixed terrain\u003c\/td\u003e\n\u003ctd\u003eFrom 360g\u003c\/td\u003e\n\u003ctd\u003eBest crosswind stability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003eFlat \u0026amp; rolling roads\u003c\/td\u003e\n\u003ctd\u003eFrom 370g\u003c\/td\u003e\n\u003ctd\u003eMax aerodynamics, tradeoff in crosswinds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplication \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for competitive racing, endurance rides, and custom OEM builds\u003c\/li\u003e\n\u003cli\u003eCompatible with 700C disc brake road bikes, 24-hole disc hubs, and tubeless or clincher tires 28-32mm wide\u003c\/li\u003e\n\u003cli\u003eManufactured to industry quality standards and documented testing tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat are the best 700C carbon rims for disc brake road bikes under 400 grams?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBola offers 700C carbon disc rims starting at 360g (Extreme Light) and 380g (Light), rigorously tested for strength and reliability. Ideal for cyclists demanding ultralight weight without sacrificing durability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs a 28mm wide carbon rim better than 25mm for endurance cycling?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e28mm width rims provide increased tire support and better stability, especially when paired with 28-32mm tires commonly used for endurance or comfort-focused cycling. This results in a smoother, more controlled ride on varied surfaces.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the difference between 45mm and 50mm carbon rims for climbing vs. flat roads?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e45mm depth rims offer improved crosswind stability and are preferred for climbing and mixed terrain. 50mm rims maximise aerodynamic efficiency for flat or rolling courses, with a slight tradeoff in crosswind handling. Choose based on intended use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre ultralight carbon bike rims safe for everyday riding or just racing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBola carbon rims are independently tested for high compressive strength and spoke tension. While Extreme Light rims under 380g are optimal for racing, the Normal (440g) and Light (410g) weight options offer practical durability for daily use, including heavier riders (up to 120 kg).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich carbon rim depth gives the best balance of aerodynamics and crosswind stability?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e45mm depth strikes an optimal balance, providing aerodynamic gains while maintaining better control in windy conditions. 50mm is preferred where maximum aero is required but may be more challenging in gusty winds.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSuperior Design and Construction\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c carbon road disc brake rim stands out with its precise engineering and high-quality carbon fiber construction. Featuring a 28mm wide profile, this rim provides enhanced tire stability and improved aerodynamics, ideal for competitive road cyclists and enthusiasts. The rim is available in both 45mm and 50mm depths, striking a perfect balance between lightweight performance and stiffness. Built specifically for disc brake systems, it offers reliability and optimum braking performance without compromising on weight or durability. This rim is compatible with 20 or 24 spokes, allowing customization according to rider preference and riding style.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized for Disc Brake Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned exclusively for disc brake applications, the 700c carbon road disc brake rim eliminates the need for brake track surfaces, reducing wear and tear while improving braking consistency in all weather conditions. The carbon construction allows for superb heat dissipation, minimizing the risk of overheating during long descents or intensive riding. This rim’s precise machining and structural integrity enhance power transfer and responsiveness, delivering a smooth and controlled braking experience. Its design enhances compatibility with modern disc brake calipers and rotors, making it an excellent upgrade for high-performance road bikes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability Meets Lightweight Efficiency\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis rim expertly combines strength and weight savings, utilizing premium carbon fiber to create a robust yet lightweight component. The 28mm width provides improved tire support, reducing pinch flats and increasing comfort on varied road surfaces. The option between 45mm and 50mm rim depth offers riders a choice between aerodynamics and lighter rotational mass, tailored to different racing or training needs. Whether you're a competitive racer or a dedicated road cyclist looking for reliable equipment, this rim ensures long-lasting durability without adding unnecessary weight, maximizing overall bike performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700C Carbon Road Rim | 28mm Wide | 45mm \u0026 50mm Depth | Disc Brake | 20\/24-Spoke\",\n  \"description\": \"Bola 700C carbon road rims, with 28mm outer width and U-shape profile, are engineered for disc brake systems and high-performance road cycling. Choose between 45mm or 50mm rim depths, both offering a 22mm internal width for superior tire support and tubeless compatibility. Weight options range from 360g (Extreme Light) to 440g, supporting diverse riding disciplines from racing to long-distance endurance. Discover the High-Performance 700c Carbon Road Disc Brake Rim Rim Profile: 700C (ISO 622), 28mm outer \/ 22mm inner width, U-shape design Depth Options: 45mm or 50mm for tailored aerodynamics Weight Tiers: 360g \/ 380g \/ 410g \/ 440g (±15g tolerance) Spoke Count: 20 or 24 (disc brake only) Construction: High-modulus toray-grade carbon, UD and woven layup Tubeless Compatible: Supports tubeless and clincher tires, 28–32mm recommended Max Rider Weight: 120 kg | Tire Pressure: 100–125 psi Valve Hole: 6.5mm standard (custom options available) Certifications: \u0026gt;300kg compressive, \u0026gt;280kg spoke tension, \u0026lt;0.3mm roundness, \u0026lt;0.15mm flatness Rim Depth Comparison Depth Wheel Use Case Weight Aero\/Crosswind 45mm Climbing, mixed terrain From 360g Best crosswind stability 50mm Flat \u0026amp; rolling roads From 370g Max aerodynamics, tradeoff in crosswinds Application \u0026amp; Compatibility Ideal for competitive racing, endurance rides, and custom OEM builds Compatible with 700C disc brake road bikes, 24-hole disc hubs, and tubeless or clincher tires 28-32mm wide Manufactured to industry quality standards and documented testing tolerances Frequently Asked Questions What are the best 700C carbon rims for disc brake road bikes under 400 grams? Bola offers 700C carbon disc rims starting at 360g (Extreme Light) and 380g (Light), rigorously tested for strength and reliability. Ideal for cyclists demanding ultralight weight without sacrificing durability. Is a 28mm wide carbon rim better than 25mm for endurance cycling? 28mm width rims provide increased tire support and better stability, especially when paired with 28-32mm tires commonly used for endurance or comfort-focused cycling. This results in a smoother, more controlled ride on varied surfaces. What's the difference between 45mm and 50mm carbon rims for climbing vs. flat roads? 45mm depth rims offer improved crosswind stability and are preferred for climbing and mixed terrain. 50mm rims maximise aerodynamic efficiency for flat or rolling courses, with a slight tradeoff in crosswind handling. Choose based on intended use. Are ultralight carbon bike rims safe for everyday riding or just racing? Bola carbon rims are independently tested for high compressive strength and spoke tension. While Extreme Light rims under 380g are optimal for racing, the Normal (440g) and Light (410g) weight options offer practical durability for daily use, including heavier riders (up to 120 kg). Which carbon rim depth gives the best balance of aerodynamics and crosswind stability? 45mm depth strikes an optimal balance, providing aerodynamic gains while maintaining better control in windy conditions. 50mm is preferred where maximum aero is required but may be more challenging in gusty winds. Superior Design and Construction The 700c carbon road disc brake rim stands out with its precise engineering and high-quality carbon fiber construction. Featuring a 28mm wide profile, this rim provides enhanced tire stability and improved aerodynamics, ideal for competitive road cyclists and enthusiasts. The rim is available in both 45mm and 50mm depths, striking a perfect balance between lightweight performance and stiffness. Built specifically for disc brake systems, it offers reliability and optimum braking performance without compromising on weight or durability. This rim is compatible with 20 or 24 spokes, allowing customization according to rider preference and riding style. Optimized for Disc Brake Performance Designed exclusively for disc brake applications, the 700c carbon road disc brake rim eliminates the need for brake track surfaces, reducing wear and tear while improving braking consistency in all weather conditions. The carbon construction allows for superb heat dissipation, minimizing the risk of overheating during long descents or intensive riding. This rim’s precise machining and structural integrity enhance power transfer and responsiveness, delivering a smooth and controlled braking experience. Its design enhances compatibility with modern disc brake calipers and rotors, making it an excellent upgrade for high-performance road bikes. Durability Meets Lightweight Efficiency This rim expertly combines strength and weight savings, utilizing premium carbon fiber to create a robust yet lightweight component. The 28mm width provides improved tire support, reducing pinch flats and increasing comfort on varied road surfaces. The option between 45mm and 50mm rim depth offers riders a choice between aerodynamics and lighter rotational mass, tailored to different racing or training needs. 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This results in a smoother, more controlled ride on varied surfaces.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What's the difference between 45mm and 50mm carbon rims for climbing vs. flat roads?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"45mm depth rims offer improved crosswind stability and are preferred for climbing and mixed terrain. 50mm rims maximise aerodynamic efficiency for flat or rolling courses, with a slight tradeoff in crosswind handling. Choose based on intended use.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are ultralight carbon bike rims safe for everyday riding or just racing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Bola carbon rims are independently tested for high compressive strength and spoke tension. 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weight tiers: \u003cstrong\u003eNormal (535 ±15g)\u003c\/strong\u003e, \u003cstrong\u003eSuperlight (485 ±15g)\u003c\/strong\u003e, and \u003cstrong\u003eUltralight (430 ±10g)\u003c\/strong\u003e. Tubeless-ready construction supports tire pressures from 100 to 125 psi and accommodates riders up to 120 kg.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eWave Aero (U-shape base)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e60mm \/ 65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e515mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Normal\u003c\/td\u003e\n\u003ctd\u003e535 ±15g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e485 ±15g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Ultralight\u003c\/td\u003e\n\u003ctd\u003e430 ±10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g imbalance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly \/ Valve Hole Dia\u003c\/td\u003e\n\u003ctd\u003e7.5mm \/ 6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Dia\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° and 7° (or customized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWeight Tier Comparison\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTier\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e535 ±15g\u003c\/td\u003e\n\u003ctd\u003eTraining, durability-focused builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e485 ±15g\u003c\/td\u003e\n\u003ctd\u003eEndurance racing, balanced weight\/stiffness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e430 ±10g\u003c\/td\u003e\n\u003ctd\u003eCriterium, climbing, weight-conscious race builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003e60mm vs 65mm Depth — Which Should You Choose?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60mm:\u003c\/strong\u003e Lower crosswind sensitivity; suited to mixed-terrain road racing, gran fondo, and riders in variable wind conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e65mm:\u003c\/strong\u003e Greater aerodynamic advantage at speeds above 40 km\/h; preferred for triathlon, time trial, and flat-course racing where crosswind risk is managed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWave Aero Profile — What It Means\u003c\/h2\u003e\u003cp\u003eThe wave aero (toroidal) rim wall creates a smoother airflow reattachment point compared to a flat-wall U-shape rim. This geometry reduces aerodynamic drag at yaw angles typically encountered during road and triathlon racing (5°–15° yaw). \u003cem\u003eNote: aerodynamic advantage is most measurable above 35–40 km\/h; at lower average speeds, weight savings from the Ultralight tier typically provide a greater performance return.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eTubeless Compatibility\u003c\/h2\u003e\u003cp\u003eThe 22mm inner width accepts tires from 25mm to 32mm in tubeless or clincher configuration. The rim bed, valve hole diameter (6.5mm, customizable), and assembly hole (7.5mm, customizable) are designed for standard tubeless valve stems and tape installation.\u003c\/p\u003e\u003ch2\u003eCustomization Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpoke hole diameter: standard 4.5mm or custom\u003c\/li\u003e\n\u003cli\u003eValve hole diameter: standard 6.5mm or custom\u003c\/li\u003e\n\u003cli\u003eAssembly hole diameter: standard 7.5mm or custom\u003c\/li\u003e\n\u003cli\u003eNipple angle: Front 7°; Rear 5°, 7°, or custom\u003c\/li\u003e\n\u003cli\u003eRim height: 60mm or 65mm\u003c\/li\u003e\n\u003cli\u003eWeight tier: Normal, Superlight, or Ultralight\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the actual weight of the ultralight version?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Ultralight tier weighs 430 ±10g per rim (420–440g), verified per-unit at the factory before shipping.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these rims tubeless-ready out of the box?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The rim bed is tubeless-compatible. You will need tubeless tape, a valve stem, and tubeless sealant, which are not included.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 60mm or 65mm rim better for triathlon and time trial?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe 65mm depth offers greater aerodynamic benefit on flat, controlled courses. The 60mm depth is the more versatile choice if your event includes variable wind or slight elevation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire widths are compatible with the 22mm inner width?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eETRTO guidelines recommend tires 1.4× to 2.4× the inner rim width. For a 22mm inner width, this translates to approximately 25mm–50mm tires; for road use, 25mm–32mm is the practical range.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the maximum rider weight?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe rim is rated for riders up to 120 kg combined system weight (rider + bike + gear).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan spoke count and hole configuration be customized?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Contact Bola directly with your spoke count, lacing pattern, and nipple angle requirements before ordering.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat warranty does Bola offer?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eBola provides a three-year manufacturer's warranty covering manufacturing defects in materials and workmanship.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700C 28mm wide tubeless carbon bike rim 60mm and 65mm wave aero dynamic shape,ultra or super light optional Bola\",\n  \"description\": \"700C Carbon Road Bike Rim — Wave Aero Profile, 60mm \u0026amp; 65mm, 28mm Wide Tubeless The Bola 700C carbon rim delivers a wave-profile aerodynamic shape in 60mm and 65mm depths with a 28mm outer width, available in three weight tiers: Normal (535 ±15g) , Superlight (485 ±15g) , and Ultralight (430 ±10g) . Tubeless-ready construction supports tire pressures from 100 to 125 psi and accommodates riders up to 120 kg. Key Specifications Specification Value Rim Size 700C Rim Profile Wave Aero (U-shape base) Rim Height 60mm \/ 65mm Outer Width 28mm Inner Width 22mm ERD 515mm Weight — Normal 535 ±15g per rim Weight — Superlight 485 ±15g per rim Weight — Ultralight 430 ±10g per rim Forward Compressive Strength \u0026gt;300 kg Lateral Torsion \u0026gt;50 kg Spoke Hole Tension \u0026gt;280 kg Dynamic Equilibrium \u0026lt;3g imbalance Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Assembly \/ Valve Hole Dia 7.5mm \/ 6.5mm (customizable) Spoke Hole Dia 4.5mm (customizable) Nipple Direction (Front) 7° Nipple Direction (Rear) 5° and 7° (or customized) Tire Pressure Range 100–125 psi Max Rider Weight 120 kg Weight Tier Comparison Tier Weight per Rim Best For Normal 535 ±15g Training, durability-focused builds Superlight 485 ±15g Endurance racing, balanced weight\/stiffness Ultralight 430 ±10g Criterium, climbing, weight-conscious race builds 60mm vs 65mm Depth — Which Should You Choose? 60mm: Lower crosswind sensitivity; suited to mixed-terrain road racing, gran fondo, and riders in variable wind conditions. 65mm: Greater aerodynamic advantage at speeds above 40 km\/h; preferred for triathlon, time trial, and flat-course racing where crosswind risk is managed. Wave Aero Profile — What It Means The wave aero (toroidal) rim wall creates a smoother airflow reattachment point compared to a flat-wall U-shape rim. This geometry reduces aerodynamic drag at yaw angles typically encountered during road and triathlon racing (5°–15° yaw). Note: aerodynamic advantage is most measurable above 35–40 km\/h; at lower average speeds, weight savings from the Ultralight tier typically provide a greater performance return. Tubeless Compatibility The 22mm inner width accepts tires from 25mm to 32mm in tubeless or clincher configuration. The rim bed, valve hole diameter (6.5mm, customizable), and assembly hole (7.5mm, customizable) are designed for standard tubeless valve stems and tape installation. Customization Options Spoke hole diameter: standard 4.5mm or custom Valve hole diameter: standard 6.5mm or custom Assembly hole diameter: standard 7.5mm or custom Nipple angle: Front 7°; Rear 5°, 7°, or custom Rim height: 60mm or 65mm Weight tier: Normal, Superlight, or Ultralight Frequently Asked Questions What is the actual weight of the ultralight version? The Ultralight tier weighs 430 ±10g per rim (420–440g), verified per-unit at the factory before shipping. Are these rims tubeless-ready out of the box? Yes. The rim bed is tubeless-compatible. You will need tubeless tape, a valve stem, and tubeless sealant, which are not included. Is a 60mm or 65mm rim better for triathlon and time trial? The 65mm depth offers greater aerodynamic benefit on flat, controlled courses. The 60mm depth is the more versatile choice if your event includes variable wind or slight elevation. What tire widths are compatible with the 22mm inner width? ETRTO guidelines recommend tires 1.4× to 2.4× the inner rim width. For a 22mm inner width, this translates to approximately 25mm–50mm tires; for road use, 25mm–32mm is the practical range. What is the maximum rider weight? The rim is rated for riders up to 120 kg combined system weight (rider + bike + gear). Can spoke count and hole configuration be customized? Yes. Contact Bola directly with your spoke count, lacing pattern, and nipple angle requirements before ordering. What warranty does Bola offer? 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Available in 30mm and 34mm outer widths, this rim is designed for competitive road racing, endurance cycling, and OEM partnerships with small to medium cycling brands and professional teams.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Height\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e30mm or 34mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e558mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU \/ UV profile (hookless-compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° or 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e100 \/ 125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e≤120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWeight Grade Comparison\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e430 ±15g\u003c\/td\u003e\n\u003ctd\u003eTraining, club racing, OEM builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e400 ±10g\u003c\/td\u003e\n\u003ctd\u003eEndurance racing, gran fondo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e380 ±10g\u003c\/td\u003e\n\u003ctd\u003eRoad criterium, climbing-focused race builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eStructural Strength Testing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium (imbalance):\u003c\/strong\u003e \u0026lt;3g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e30mm vs. 34mm Outer Width – Which Should You Choose?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e34mm outer width\u003c\/strong\u003e provides a wider tire-to-rim interface, improving aerodynamic performance when paired with 28–32mm tires by reducing the turbulent 'light bulb' effect at the tire shoulder. The \u003cstrong\u003e30mm outer width\u003c\/strong\u003e suits riders prioritizing lower rotational weight and compatibility with narrower 25–28mm tire setups. Both widths share the same 23mm inner width and 40mm profile, so wheel stiffness and spoke tension behavior remain comparable across both configurations.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: The ultralight grade (380 ±10g) achieves its weight reduction through selective carbon layup optimization. Riders exceeding 90 kg or competing on rough road surfaces may prefer the standard or superlight grade for additional fatigue resistance.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eCustomization \u0026amp; OEM Availability\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpoke hole count: customizable per order\u003c\/li\u003e\n\u003cli\u003eHole diameters (valve, spoke, assembly): customizable\u003c\/li\u003e\n\u003cli\u003eNipple angle: front 7°, rear 5° or 7°, or custom specification\u003c\/li\u003e\n\u003cli\u003ePrivate label and OEM branding available for cycling brands and professional teams\u003c\/li\u003e\n\u003cli\u003eThree-year warranty included on all grades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire type:\u003c\/strong\u003e Clincher, tubeless-ready (with compatible tape and valves)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended tire width:\u003c\/strong\u003e 25–32mm (700c)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain compatibility:\u003c\/strong\u003e Compatible with all standard road groupsets via cassette body selection at wheel build stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake type:\u003c\/strong\u003e Disc brake only (no braking surface machined)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these carbon rims tubeless compatible?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The 23mm inner width and U\/UV rim shape are tubeless-ready when used with appropriate rim tape (recommend 25mm width) and tubeless valve stems with a 6.5mm hole diameter. Maximum tire pressure is 125 psi.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between the superlight and ultralight grades?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe superlight grade (400 ±10g) uses a balanced carbon layup suitable for most competitive road and endurance applications. The ultralight grade (380 ±10g) reduces weight by approximately 20g per rim through a refined layup schedule. Both pass the same structural tests; however, the ultralight grade is recommended for riders under 85 kg on smooth road surfaces.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 34mm wide rim better than 30mm for road aerodynamics?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFor tires 28mm and wider, the 34mm outer width reduces the tire-rim shoulder gap, which wind tunnel data from rim manufacturers consistently shows improves aerodynamic efficiency above 35 km\/h. For 25mm tires, the 30mm outer width maintains a better aerodynamic profile ratio.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire pressure should I use with these rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe rated range is 100–125 psi. For tubeless setups with 28mm tires, most riders perform well at 70–90 psi, though the structural rating remains 100 psi minimum for clincher use. Always verify with your tire manufacturer's pressure guidelines.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I order custom spoke hole counts or private-label branding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Spoke hole count, hole diameters, nipple angles, and OEM\/private-label branding are all available as custom configurations. Contact us with your technical drawing or specification sheet for a production quote.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Bola 700c 40mm Carbon Road Rim, 23mm Inner, 30mm or 34mm Wide, Tubeless Ready, Disc Brake\",\n  \"description\": \"700c 40mm Carbon Road Rim – 30mm or 34mm Outer Width, 23mm Inner Width The Bola 40mm carbon road rim delivers a verified weight range of 380–430g per rim across three build grades, a 23mm inner width for compatibility with 25–32mm road and gravel tires, and a UV-cured resin finish. Available in 30mm and 34mm outer widths, this rim is designed for competitive road racing, endurance cycling, and OEM partnerships with small to medium cycling brands and professional teams. Key Specifications Specification Value Rim Diameter 700c (ISO 622mm BSD) Profile Height 40mm Outer Width 30mm or 34mm Inner Width 23mm ERD 558mm Rim Shape U \/ UV profile (hookless-compatible) Valve Hole Diameter 6.5mm (customizable) Spoke Hole Diameter 4.5mm (customizable) Assembly Hole Diameter 7.5mm (customizable) Nipple Angle (Front) 7° Nipple Angle (Rear) 5° or 7° (customizable) Min \/ Max Tire Pressure 100 \/ 125 psi Rider Weight Limit ≤120 kg Weight Grade Comparison Grade Weight per Rim Best For Standard 430 ±15g Training, club racing, OEM builds Superlight 400 ±10g Endurance racing, gran fondo Ultralight 380 ±10g Road criterium, climbing-focused race builds Structural Strength Testing Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion Resistance: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg Dynamic Equilibrium (imbalance): \u0026lt;3g Flatness tolerance: \u0026lt;0.15mm Roundness tolerance: \u0026lt;0.3mm 30mm vs. 34mm Outer Width – Which Should You Choose? The 34mm outer width provides a wider tire-to-rim interface, improving aerodynamic performance when paired with 28–32mm tires by reducing the turbulent 'light bulb' effect at the tire shoulder. The 30mm outer width suits riders prioritizing lower rotational weight and compatibility with narrower 25–28mm tire setups. Both widths share the same 23mm inner width and 40mm profile, so wheel stiffness and spoke tension behavior remain comparable across both configurations. Note: The ultralight grade (380 ±10g) achieves its weight reduction through selective carbon layup optimization. Riders exceeding 90 kg or competing on rough road surfaces may prefer the standard or superlight grade for additional fatigue resistance. Customization \u0026amp; OEM Availability Spoke hole count: customizable per order Hole diameters (valve, spoke, assembly): customizable Nipple angle: front 7°, rear 5° or 7°, or custom specification Private label and OEM branding available for cycling brands and professional teams Three-year warranty included on all grades Compatibility Tire type: Clincher, tubeless-ready (with compatible tape and valves) Recommended tire width: 25–32mm (700c) Drivetrain compatibility: Compatible with all standard road groupsets via cassette body selection at wheel build stage Brake type: Disc brake only (no braking surface machined) Frequently Asked Questions Are these carbon rims tubeless compatible? Yes. The 23mm inner width and U\/UV rim shape are tubeless-ready when used with appropriate rim tape (recommend 25mm width) and tubeless valve stems with a 6.5mm hole diameter. Maximum tire pressure is 125 psi. What is the difference between the superlight and ultralight grades? The superlight grade (400 ±10g) uses a balanced carbon layup suitable for most competitive road and endurance applications. The ultralight grade (380 ±10g) reduces weight by approximately 20g per rim through a refined layup schedule. Both pass the same structural tests; however, the ultralight grade is recommended for riders under 85 kg on smooth road surfaces. Is a 34mm wide rim better than 30mm for road aerodynamics? For tires 28mm and wider, the 34mm outer width reduces the tire-rim shoulder gap, which wind tunnel data from rim manufacturers consistently shows improves aerodynamic efficiency above 35 km\/h. For 25mm tires, the 30mm outer width maintains a better aerodynamic profile ratio. What tire pressure should I use with these rims? The rated range is 100–125 psi. For tubeless setups with 28mm tires, most riders perform well at 70–90 psi, though the structural rating remains 100 psi minimum for clincher use. Always verify with your tire manufacturer's pressure guidelines. Can I order custom spoke hole counts or private-label branding? Yes. Spoke hole count, hole diameters, nipple angles, and OEM\/private-label branding are all available as custom configurations. 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Weight and compatibility balance performance and real-world value, with individually tested quality guaranteed.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 700c (ISO 622 standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 80 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile Shape:\u003c\/strong\u003e UV (toroidal) aerodynamic rim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Width Options:\u003c\/strong\u003e 34 mm (main), 30 mm (variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Width:\u003c\/strong\u003e 23 mm (optimized for 25–28mm tyres)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Toray carbon fiber with UV-cure resin finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight per Rim:\u003c\/strong\u003e 580–610 g (±15 g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tyre Systems:\u003c\/strong\u003e Tubeless, clincher, tubular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 120 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Tyre Pressure:\u003c\/strong\u003e 100–125 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Hole Size:\u003c\/strong\u003e 6.5 mm (customizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\/Testing:\u003c\/strong\u003e Flatness \u0026lt;0.15 mm, Lateral Torsion \u0026gt;50 kg, Spoke Tension \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-year official coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it Compares\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBola 700c 80mm UV Rim\u003c\/th\u003e\n\u003cth\u003eTypical High-Performance Rim*\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e34 mm \/ 30 mm\u003c\/td\u003e\n\u003ctd\u003e25–26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (per rim)\u003c\/td\u003e\n\u003ctd\u003e580–610 g\u003c\/td\u003e\n\u003ctd\u003e530–660 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eToray carbon + UV-cure resin\u003c\/td\u003e\n\u003ctd\u003eToray T700\/T800 carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eUV shape (toroidal)\u003c\/td\u003e\n\u003ctd\u003eU or toroidal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTyre Compatibility\u003c\/td\u003e\n\u003ctd\u003eTubeless, clincher, tubular\u003c\/td\u003e\n\u003ctd\u003eTubular\/clincher\/tubeless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003ctd\u003eUp to 135 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCert\/Testing\u003c\/td\u003e\n\u003ctd\u003eFlatness \u0026amp; spoke tensile tested\u003c\/td\u003e\n\u003ctd\u003eLab-tested, UCI compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003ctd\u003e1–2 years typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp style=\"font-size:smaller;\"\u003e*e.g., DT80S, Carbonal D18-80, Zipp 808\u003c\/p\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTriathlon bike builds focused on long, flat courses requiring maximum aerodynamic efficiency\u003c\/li\u003e\n\u003cli\u003eIronman racing setups demanding rim stability and reliable speed\u003c\/li\u003e\n\u003cli\u003eRoad time trial wheel upgrades for intermediate and advanced cyclists\u003c\/li\u003e\n\u003cli\u003eMulti-day endurance events needing balance of durability and low weight\u003c\/li\u003e\n\u003cli\u003eCustom wheel builds for B2B partners targeting performance-focused customers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat rider weight is the 700c 80mm UV rim rated for?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTested up to 120 kg per rim, this model suits most adult riders for triathlon, road and TT builds. For heavier use, please consult Bola about custom layups.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow does a 34mm wide rim affect aerodynamics in triathlon compared to 30mm or 25mm?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWider 34mm UV rims improve aerodynamic stability and airflow reattachment at typical yaw angles, helping maintain speed in crosswinds versus narrower rims (25–30mm) used in older models.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs the Bola 80mm rim compatible with both tubeless and clincher tires?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, it supports modern 25–28mm tubeless and traditional clincher tires for easy setup and reliable sealing performance.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the difference between UV (toroidal) and standard U-shape rims for racing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eUV (toroidal) profiles further reduce drag by managing airflow across varying wind angles. This can improve speed consistency versus standard U-shapes, especially in variable conditions.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow is Bola’s rim quality controlled and warranted?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eEach rim passes multi-stage QA: flatness \u0026lt;0.15 mm, spoke tension \u0026gt;280 kg, and dynamic balance \u0026lt;3 g per rim. Coverage is 3 years for structural\/material faults. Full warranty details are available on request.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c Carbon Rim 80mm Deep | 34mm Wide UV Shape | Triathlon \u0026 Ironman Racing\",\n  \"description\": \"The Bola 700c 80mm Deep 34mm Wide Carbon Rim delivers reliable aerodynamics and stability for triathlon and Ironman racing. Utilizing a wind-optimized UV (toroidal) profile and premium Toray carbon, this rim suits riders demanding speed, stiffness, and versatility across road and multi-scenario events. Weight and compatibility balance performance and real-world value, with individually tested quality guaranteed. Key Features \u0026 Specs Wheel Size: 700c (ISO 622 standard) Rim Depth: 80 mm Profile Shape: UV (toroidal) aerodynamic rim Outer Width Options: 34 mm (main), 30 mm (variant) Inner Width: 23 mm (optimized for 25–28mm tyres) Material: Premium Toray carbon fiber with UV-cure resin finish Weight per Rim: 580–610 g (±15 g) Compatible Tyre Systems: Tubeless, clincher, tubular Max Rider Weight: 120 kg Max Tyre Pressure: 100–125 psi Valve Hole Size: 6.5 mm (customizable) Certifications\/Testing: Flatness 50 kg, Spoke Tension \u003e280 kg Warranty: 3-year official coverage How it Compares Feature Bola 700c 80mm UV Rim Typical High-Performance Rim* Rim Depth 80 mm 80 mm Outer Width 34 mm \/ 30 mm 25–26 mm Weight (per rim) 580–610 g 530–660 g Material Toray carbon + UV-cure resin Toray T700\/T800 carbon Profile UV shape (toroidal) U or toroidal Tyre Compatibility Tubeless, clincher, tubular Tubular\/clincher\/tubeless Max Rider Weight 120 kg Up to 135 kg Cert\/Testing Flatness \u0026 spoke tensile tested Lab-tested, UCI compliant Warranty 3 years 1–2 years typical *e.g., DT80S, Carbonal D18-80, Zipp 808 Recommended Use Cases Triathlon bike builds focused on long, flat courses requiring maximum aerodynamic efficiency Ironman racing setups demanding rim stability and reliable speed Road time trial wheel upgrades for intermediate and advanced cyclists Multi-day endurance events needing balance of durability and low weight Custom wheel builds for B2B partners targeting performance-focused customers Frequently Asked Questions What rider weight is the 700c 80mm UV rim rated for? Tested up to 120 kg per rim, this model suits most adult riders for triathlon, road and TT builds. For heavier use, please consult Bola about custom layups. How does a 34mm wide rim affect aerodynamics in triathlon compared to 30mm or 25mm? Wider 34mm UV rims improve aerodynamic stability and airflow reattachment at typical yaw angles, helping maintain speed in crosswinds versus narrower rims (25–30mm) used in older models. Is the Bola 80mm rim compatible with both tubeless and clincher tires? Yes, it supports modern 25–28mm tubeless and traditional clincher tires for easy setup and reliable sealing performance. What is the difference between UV (toroidal) and standard U-shape rims for racing? UV (toroidal) profiles further reduce drag by managing airflow across varying wind angles. This can improve speed consistency versus standard U-shapes, especially in variable conditions. How is Bola’s rim quality controlled and warranted? 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This can improve speed consistency versus standard U-shapes, especially in variable conditions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How is Bola’s rim quality controlled and warranted?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each rim passes multi-stage QA: flatness 280 kg, and dynamic balance\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":47660096159998,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Super Light","offer_id":47660096192766,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Standard","offer_id":47660096225534,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Super Light","offer_id":47660096258302,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customized \/ Standard","offer_id":47660096291070,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customized \/ Super Light","offer_id":47660096323838,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Standard","offer_id":47660096356606,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Super Light","offer_id":47660096389374,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 24\/24 \/ Standard","offer_id":47660096422142,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 24\/24 \/ Super Light","offer_id":47660096454910,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customized \/ Standard","offer_id":47660096487678,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customized \/ Super Light","offer_id":47660096520446,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 20\/20 \/ Standard","offer_id":47660096946430,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 20\/20 \/ Super Light","offer_id":47660096979198,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 24\/24 \/ Standard","offer_id":47660097011966,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 24\/24 \/ Super Light","offer_id":47660097044734,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customized \/ Standard","offer_id":47660097077502,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customized \/ Super Light","offer_id":47660097110270,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Standard","offer_id":47660097143038,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Super Light","offer_id":47660097175806,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 24\/24 \/ Standard","offer_id":47660097208574,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 24\/24 \/ Super Light","offer_id":47660097241342,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customized \/ Standard","offer_id":47660097274110,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customized \/ Super Light","offer_id":47660097306878,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/88mm_rims_a3b1d9e2-b2c3-450b-b631-b34b77c84a47.png?v=1780298401"},{"product_id":"700c-25mm-inner-wide-carbon-road-rim-40mm-45mm-depth-disc-brake-24-spoke-uv-profile-bola","title":"Bola 700c Carbon Road Rim 25mm Inner Width for Disc Brake, 40mm or 45mm Depth, 24 Spoke UV Profile","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003ePremium 700c Carbon Road Rim Disc Brake for High-Performance Cycling\u003c\/h2\u003e\n\u003cp\u003eThe Bola 700c carbon road rim delivers race-ready aerodynamics and ultralight construction in a wide-profile, disc-brake-compatible design. Available in 40mm and 45mm depths, with a 25mm inner width optimized for 28–32mm tires, it is suited for competitive road racing, endurance cycling, and premium custom wheelset builds.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e40mm Variant\u003c\/th\u003e\n\u003cth\u003e45mm Variant\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003ctd\u003e31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e549mm\u003c\/td\u003e\n\u003ctd\u003e549mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Count\u003c\/td\u003e\n\u003ctd\u003e24H\u003c\/td\u003e\n\u003ctd\u003e24H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eDisc Brake\u003c\/td\u003e\n\u003ctd\u003eDisc Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e450 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e420 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e395 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e375 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Performance Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium:\u003c\/strong\u003e \u0026lt;3g imbalance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness Tolerance:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness Tolerance:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose the Bola UV Profile Rim?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Inner Profile:\u003c\/strong\u003e The 25mm inner width accommodates modern 28–32mm road and gravel tires, improving air volume, rolling resistance, and rider comfort compared to traditional 19–21mm inner-width rims.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Depth Availability:\u003c\/strong\u003e The 40mm depth offers a balanced all-round ride with lower crosswind sensitivity; the 45mm depth increases aerodynamic efficiency for flat and rolling terrain at the cost of marginally higher wind sensitivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction:\u003c\/strong\u003e The Extreme Light grade at 375 ± 10g per rim is competitive for race-category carbon rims in this depth class. Note: lighter grades involve tighter layup tolerances and are recommended for riders under 80 kg and race-day use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM \u0026amp; Custom-Build Ready:\u003c\/strong\u003e Hole diameters, nipple angles, and spoke counts are customizable for brand-label and team-order builds. Minimum order quantities available on request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Brake Optimized:\u003c\/strong\u003e Braking track is not present; the rim is designed exclusively for disc brake drivetrains, eliminating heat stress at the braking surface common in rim-brake carbon rims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTradeoffs to Consider\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe 24-spoke lacing pattern reduces weight but requires precise tensioning during build. It is not recommended for riders above 100 kg without upgrading to the Standard weight grade.\u003c\/li\u003e\n\u003cli\u003eThe 45mm depth increases aerodynamic drag sensitivity in crosswinds above approximately 30 km\/h lateral component; the 40mm depth is the more versatile option for mixed-terrain endurance use.\u003c\/li\u003e\n\u003cli\u003eExtreme Light grade rims are optimized for race-day performance and may exhibit reduced fatigue life under high-frequency cobblestone or gravel loads compared to the Standard grade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the best rim depth for endurance road cycling — 40mm or 45mm?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFor endurance cycling involving variable terrain and wind exposure, the 40mm depth is recommended. It offers a better crosswind stability profile while still delivering aerodynamic advantage over sub-35mm rims. The 45mm depth is better suited to flat road racing or time-trial segments where wind conditions are controlled.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 25mm inner wide carbon rim better for endurance or race cycling?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA 25mm inner width supports a wider range of tire volumes (28–32mm road tires) than traditional 19–21mm rims, making it well-suited for both endurance and race applications. For race use, pairing with a 28mm tire at 90–100 psi reduces rolling resistance. For endurance, a 30–32mm tire at 80–90 psi improves comfort and traction.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre 24-spoke carbon rims strong enough for everyday road cycling?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, for riders under 100 kg riding on paved surfaces. The spoke hole tension rating of \u0026gt;280 kg per hole and forward compressive strength of \u0026gt;300 kg ensure structural integrity under typical road loads. For heavier riders or frequent rough-road use, the Standard weight grade (450 ± 15g) is recommended over the Extreme Light variant.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire pressure should I use with this rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe rated tire pressure range is 100–125 psi. For optimal performance with 28mm tires, 95–110 psi is typical for road racing. Exceeding 125 psi risks bead seat stress and is not recommended.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I order custom spoke hole counts or branding for OEM builds?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Spoke hole diameter, valve hole diameter, assembly hole diameter, and nipple angles are all customizable. OEM branding and custom spoke counts are available for small to medium cycling brand orders. Contact us with build specifications for a quote.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat warranty does the Bola carbon rim carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eBola carbon rims are backed by a three-year manufacturer warranty covering structural defects under normal use conditions.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWide 25mm Inner Width for Enhanced Stability and Control\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c carbon road rim disc brake from Bola features a 25mm inner width designed to improve tire fit and stability. This wider rim enhances tire shape, providing a larger contact patch with the road, which translates to better grip and control during rides. Perfect for riders who prioritize handling, the improved tire support reduces the risk of pinch flats and enhances cornering confidence. This rim width is ideal for modern road tires, balancing aerodynamics and comfort without compromising speed or responsiveness.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized 40mm \u0026amp; 45mm Depth for Aerodynamics and Versatility\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOffered in 40mm and 45mm depth options, these Bola carbon rims are perfectly optimized for aerodynamic efficiency and versatility. The mid-profile rim depths reduce drag and improve speed on flat terrain while maintaining enough profile to ensure manageable crosswind performance. These depths make the rim suitable for various riding styles, from fast group rides to long endurance sessions. Lightweight and stiff, the design balances aerodynamic performance with practical usability on diverse road conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurable 24-Spoke UV Profile Designed for Disc Brake Systems\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBuilt specifically for disc brake setups, the 24-spoke design and UV aerodynamic profile of this rim ensure outstanding durability and effective braking performance. The spoke count enhances wheel strength without adding unnecessary weight, contributing to solid power transfer and reliable wheel integrity. Additionally, the UV profile optimizes airflow interaction around the spokes, reducing turbulence and enhancing overall aerodynamic efficiency. This rim is perfectly matched to modern disc brakes, providing crisp stopping power and consistent performance in all weather conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c 25mm Inner Wide Carbon Road Rim | 40mm \u0026 45mm Depth | Disc Brake | 24-Spoke | UV Profile – Bola\",\n  \"description\": \"Premium 700c Carbon Road Rim Disc Brake for High-Performance Cycling The Bola 700c carbon road rim delivers race-ready aerodynamics and ultralight construction in a wide-profile, disc-brake-compatible design. Available in 40mm and 45mm depths, with a 25mm inner width optimized for 28–32mm tires, it is suited for competitive road racing, endurance cycling, and premium custom wheelset builds. Key Specifications Specification 40mm Variant 45mm Variant Rim Height 40mm 45mm Outer Width 34mm 31mm Inner Width 25mm 25mm ERD 549mm 549mm Spoke Count 24H 24H Brake Type Disc Brake Disc Brake Valve Hole Diameter 6.5mm (customizable) 6.5mm (customizable) Spoke Hole Diameter 4.5mm (customizable) 4.5mm (customizable) Assembly Hole Diameter 7.5mm (customizable) 7.5mm (customizable) Nipple Direction (Front) 7° 7° Nipple Direction (Rear) 5° \u0026amp; 7° (customizable) 5° \u0026amp; 7° (customizable) Tire Pressure Range 100–125 psi 100–125 psi Max Rider Weight 120 kg 120 kg Weight Options Grade Weight per Rim Standard 450 ± 15g Superlight 420 ± 10g Ultralight 395 ± 10g Extreme Light 375 ± 10g Structural Performance Data Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion Resistance: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg Dynamic Equilibrium: \u0026lt;3g imbalance Flatness Tolerance: \u0026lt;0.15mm Roundness Tolerance: \u0026lt;0.3mm Why Choose the Bola UV Profile Rim? Wide Inner Profile: The 25mm inner width accommodates modern 28–32mm road and gravel tires, improving air volume, rolling resistance, and rider comfort compared to traditional 19–21mm inner-width rims. Dual Depth Availability: The 40mm depth offers a balanced all-round ride with lower crosswind sensitivity; the 45mm depth increases aerodynamic efficiency for flat and rolling terrain at the cost of marginally higher wind sensitivity. Lightweight Construction: The Extreme Light grade at 375 ± 10g per rim is competitive for race-category carbon rims in this depth class. Note: lighter grades involve tighter layup tolerances and are recommended for riders under 80 kg and race-day use. OEM \u0026amp; Custom-Build Ready: Hole diameters, nipple angles, and spoke counts are customizable for brand-label and team-order builds. Minimum order quantities available on request. Disc Brake Optimized: Braking track is not present; the rim is designed exclusively for disc brake drivetrains, eliminating heat stress at the braking surface common in rim-brake carbon rims. Tradeoffs to Consider The 24-spoke lacing pattern reduces weight but requires precise tensioning during build. It is not recommended for riders above 100 kg without upgrading to the Standard weight grade. The 45mm depth increases aerodynamic drag sensitivity in crosswinds above approximately 30 km\/h lateral component; the 40mm depth is the more versatile option for mixed-terrain endurance use. Extreme Light grade rims are optimized for race-day performance and may exhibit reduced fatigue life under high-frequency cobblestone or gravel loads compared to the Standard grade. Frequently Asked Questions What is the best rim depth for endurance road cycling — 40mm or 45mm? For endurance cycling involving variable terrain and wind exposure, the 40mm depth is recommended. It offers a better crosswind stability profile while still delivering aerodynamic advantage over sub-35mm rims. The 45mm depth is better suited to flat road racing or time-trial segments where wind conditions are controlled. Is a 25mm inner wide carbon rim better for endurance or race cycling? A 25mm inner width supports a wider range of tire volumes (28–32mm road tires) than traditional 19–21mm rims, making it well-suited for both endurance and race applications. For race use, pairing with a 28mm tire at 90–100 psi reduces rolling resistance. For endurance, a 30–32mm tire at 80–90 psi improves comfort and traction. Are 24-spoke carbon rims strong enough for everyday road cycling? Yes, for riders under 100 kg riding on paved surfaces. The spoke hole tension rating of \u0026gt;280 kg per hole and forward compressive strength of \u0026gt;300 kg ensure structural integrity under typical road loads. For heavier riders or frequent rough-road use, the Standard weight grade (450 ± 15g) is recommended over the Extreme Light variant. What tire pressure should I use with this rim? The rated tire pressure range is 100–125 psi. For optimal performance with 28mm tires, 95–110 psi is typical for road racing. Exceeding 125 psi risks bead seat stress and is not recommended. Can I order custom spoke hole counts or branding for OEM builds? Yes. Spoke hole diameter, valve hole diameter, assembly hole diameter, and nipple angles are all customizable. OEM branding and custom spoke counts are available for small to medium cycling brand orders. Contact us with build specifications for a quote. What warranty does the Bola carbon rim carry? Bola carbon rims are backed by a three-year manufacturer warranty covering structural defects under normal use conditions. Wide 25mm Inner Width for Enhanced Stability and Control The 700c carbon road rim disc brake from Bola features a 25mm inner width designed to improve tire fit and stability. This wider rim enhances tire shape, providing a larger contact patch with the road, which translates to better grip and control during rides. Perfect for riders who prioritize handling, the improved tire support reduces the risk of pinch flats and enhances cornering confidence. This rim width is ideal for modern road tires, balancing aerodynamics and comfort without compromising speed or responsiveness. Optimized 40mm \u0026amp; 45mm Depth for Aerodynamics and Versatility Offered in 40mm and 45mm depth options, these Bola carbon rims are perfectly optimized for aerodynamic efficiency and versatility. The mid-profile rim depths reduce drag and improve speed on flat terrain while maintaining enough profile to ensure manageable crosswind performance. These depths make the rim suitable for various riding styles, from fast group rides to long endurance sessions. Lightweight and stiff, the design balances aerodynamic performance with practical usability on diverse road conditions. Durable 24-Spoke UV Profile Designed for Disc Brake Systems Built specifically for disc brake setups, the 24-spoke design and UV aerodynamic profile of this rim ensure outstanding durability and effective braking performance. The spoke count enhances wheel strength without adding unnecessary weight, contributing to solid power transfer and reliable wheel integrity. Additionally, the UV profile optimizes airflow interaction around the spokes, reducing turbulence and enhancing overall aerodynamic efficiency. This rim is perfectly matched to modern disc brakes, providing crisp stopping power and consistent performance in all weather conditions.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wave_rims.png?v=1780298405\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wave_103dc58c-767a-4254-b1e6-bec5e9d67bf1.png?v=1780298379\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/1_ced0cb05-8ca4-4361-9507-ef97f7cb1df5.png?v=1780298406\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/tubeless_2d236823-c069-4581-9a8b-1fc9dd7a0b4b.jpg?v=1780298318\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/surface_f1230322-3ddf-4fd0-b237-7adb3e4ce7e9.jpg?v=1780298318\",\n    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tubeless-ready, disc-brake-specific rim built for gravel racing, mixed-terrain endurance, and custom wheelset builds. Available in 35mm and 40mm profile depths with a 34mm external \/ 25mm internal width, it accommodates tire widths from 28mm to 50mm and accepts pressures between 100 and 125 psi. Weight ranges from 440g (standard) to 370g (extreme light) depending on selected layup — enabling builders to balance durability against weight targets without changing rim geometry.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Depth\u003c\/td\u003e\n\u003ctd\u003e35mm or 40mm (UV wave shape)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Width\u003c\/td\u003e\n\u003ctd\u003e34mm (35mm profile) \/ 31mm (40mm profile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e559mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Count\u003c\/td\u003e\n\u003ctd\u003e24 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eDisc brake only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Variants\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e440 ± 15g\u003c\/td\u003e\n\u003ctd\u003eTraining builds, heavier riders (up to 120kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e415 ± 10g\u003c\/td\u003e\n\u003ctd\u003eEndurance gravel racing, mixed terrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e390 ± 10g\u003c\/td\u003e\n\u003ctd\u003eCompetitive gravel racing, weight-optimized builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e370 ± 10g\u003c\/td\u003e\n\u003ctd\u003eElite racing; best paired with riders under 75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTrade-off Note\u003c\/h3\u003e\n\u003cp\u003eThe Extreme Light (370g) layup prioritizes weight reduction over impact margin. For riders over 90kg or on highly technical, rock-strewn terrain, the Superlight (415g) or Standard (440g) grade is recommended to maintain spoke tension integrity over \u0026gt;280kg and forward compressive strength \u0026gt;300kg.\u003c\/p\u003e\n\u003ch2\u003eStructural Performance Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension Tolerance:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium:\u003c\/strong\u003e \u0026lt;3g imbalance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness:\u003c\/strong\u003e \u0026lt;0.15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness:\u003c\/strong\u003e \u0026lt;0.3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUse-Case Fit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravel Racing (mixed surface):\u003c\/strong\u003e 34mm internal width supports 40–50mm tires at lower pressures for traction; 40mm depth adds aero efficiency on open road sections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance \/ Bikepacking:\u003c\/strong\u003e 35mm depth lowers crosswind sensitivity while retaining structural stiffness for loaded builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Wheelset Builds (OEM\/Brand):\u003c\/strong\u003e Customizable spoke hole diameter (4.5mm std), nipple angles, valve hole size, and branding options make this rim suitable for small and medium cycling brands sourcing OEM-ready components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Setup:\u003c\/strong\u003e 25mm inner width and tubeless-compatible bead profile support tubeless conversion with standard tape and valves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCustomization Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpoke hole diameter: 4.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eValve hole diameter: 6.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eAssembly hole diameter: 7.5mm standard or custom\u003c\/li\u003e\n\u003cli\u003eNipple angle: customizable per front\/rear application\u003c\/li\u003e\n\u003cli\u003eLogo, color finish, and decal options available for brand partners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 34mm wide carbon rim too wide for gravel riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. A 34mm external \/ 25mm internal width is within the optimal range for gravel-specific tire fitment (38–50mm tires). It provides a supportive bead base that improves tire casing shape, lowers rolling resistance, and allows lower inflation pressures for better traction on loose surfaces.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between the 35mm and 40mm depth options?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe 35mm profile is shallower, reducing crosswind sensitivity and weight — better suited for technical or mountainous gravel routes. The 40mm profile provides modest aerodynamic gain on flat or open sections. Both share the same 34mm\/25mm width and structural tolerances.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow light can a carbon gravel rim be without sacrificing durability?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAt 390g (Ultralight) and 370g (Extreme Light), both grades maintain spoke hole tension tolerance \u0026gt;280kg and forward compressive strength \u0026gt;300kg. The Extreme Light grade is best suited for riders under 75–80kg on non-technical terrain. The Ultralight (390g) is the recommended balance point for most competitive applications.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this rim compatible with tubeless tires?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The rim features a tubeless-compatible bead profile with a 25mm internal width. Standard tubeless rim tape and valves (6.5mm valve hole) are required; these are not included.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spoke count and hole pattern does this rim use?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis rim uses a 24-hole pattern, suitable for building lightweight disc brake gravel wheelsets with standard J-bend or straight-pull spokes. Custom hole counts may be available — contact us for OEM enquiries.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the warranty and quality assurance policy?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAll rims are backed by a three-year warranty. Each unit is manufactured to flatness \u0026lt;0.15mm and roundness \u0026lt;0.3mm tolerances, with dynamic balance verified at \u0026lt;3g per rim.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDesign and Dimensions\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c carbon gravel bike rim by Bola boasts a 34mm internal width, optimized for gravel riding stability and comfort. Available in two rim depths, 35mm and 40mm, this rim strikes an ideal balance between aerodynamics and control on mixed terrain. Its 24-hole configuration enhances durability and wheel strength, making it perfect for demanding gravel trails. These design choices ensure excellent tire support and improved ride quality for gravel cyclists seeking both speed and resilience.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight and Durable Construction\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWeighing between 370 and 440 grams depending on depth, this 700c carbon gravel bike rim offers a superior weight-to-strength ratio. Crafted from high-quality carbon fiber, it provides exceptional stiffness and impact resistance while keeping the wheelset light for efficient power transfer. This lightweight construction reduces fatigue on long rides and improves acceleration, making it an excellent choice for competitive and recreational gravel riders alike.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eCompatibility and Performance Features\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpecifically designed for 24-hole disc brake setups, the Bola carbon rim ensures compatibility with modern gravel bike braking systems. Its carbon layup and rim profile optimize heat dissipation during braking, reducing fade and enhancing control on steep descents. Combined with the rim's robust build and wide 34mm internal width, this rim delivers responsive handling and reliable stopping power in diverse off-road conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ Standard","offer_id":48133317329150,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Superlight","offer_id":48133317361918,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Ultralight","offer_id":48133317394686,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Extremelight","offer_id":48133317427454,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Standard","offer_id":48133317460222,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Superlight","offer_id":48133317492990,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Ultralight","offer_id":48133317525758,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Extremelight","offer_id":48133317558526,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Standard","offer_id":48133317591294,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Superlight","offer_id":48133317624062,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Ultralight","offer_id":48133317656830,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Extremelight","offer_id":48133317689598,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Standard","offer_id":48133317722366,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Superlight","offer_id":48133317755134,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Ultralight","offer_id":48133317787902,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Extremelight","offer_id":48133317820670,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wave_rims_512e095a-18ab-4660-add6-dbe651d0d7f8.jpg?v=1780298379"},{"product_id":"29er-carbon-mtb-rim-36mm-outer-30mm-inner-wide-wave-profile-20mm-25mm-28-spoke-300-380g-bola","title":"29er Carbon MTB Rim – 36mm Outer \/ 30mm Inner Wide, Wave Profile, 20mm \u0026 25mm, 28-Spoke, 300–380g | Bola","description":"\u003ch2\u003e29er Carbon MTB Rim – Wave Profile, 30mm Inner Wide (Bola)\u003c\/h2\u003e\u003cp\u003eThe Bola 29er carbon MTB rim delivers a 36mm outer \/ 30mm inner width with a proprietary wave (wavy) profile in 20mm and 25mm heights, tuned for 28-spoke lacing. Four weight tiers — 380g, 350g, 325g, and 300g — let riders match rim mass to discipline without changing geometry or spoke count.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e29er (ISO 622mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Heights\u003c\/td\u003e\n\u003ctd\u003e20mm \/ 25mm (wave profile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Count\u003c\/td\u003e\n\u003ctd\u003e28H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e589mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Dia.\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Dia.\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Dia.\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eFront 7°, Rear 5° \u0026amp; 7° (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tyre Pressure\u003c\/td\u003e\n\u003ctd\u003e45 \/ 65 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWeight Tiers\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e380 ± 15g\u003c\/td\u003e\n\u003ctd\u003eAll-mountain \/ enduro, prioritises durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e350 ± 10g\u003c\/td\u003e\n\u003ctd\u003eTrail riding, balanced weight–strength\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e325 ± 10g\u003c\/td\u003e\n\u003ctd\u003eXC racing, marginal gains over durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e300 ± 10g\u003c\/td\u003e\n\u003ctd\u003eCompetitive XC, lightest option; tighter rider-weight ceiling recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eStructural Strength Data\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eTradeoff note:\u003c\/em\u003e Moving from the 380g Standard tier to the 300g Extreme Light tier reduces rim mass by ~21% but narrows the safety margin for aggressive rock-garden impacts. Riders over 90 kg or running tubeless at the pressure ceiling (65 psi) are advised to select the Standard or Superlight grade.\u003c\/p\u003e\u003ch2\u003eProfile Selection Guide\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20mm wave profile:\u003c\/strong\u003e Lower aerodynamic drag, lighter feel — suited to cross-country (XC) and marathon racing where rolling resistance and acceleration matter most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm wave profile:\u003c\/strong\u003e Marginally stiffer lateral platform — better suited to trail and light enduro where cornering precision is prioritised over outright weight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTyre compatibility: 2.0–2.6 inch MTB tyres (tubeless-ready with 30mm inner width)\u003c\/li\u003e\n\u003cli\u003eSpoke lacing: 28-hole; compatible with standard J-bend and straight-pull spokes at 4.5mm spoke hole diameter\u003c\/li\u003e\n\u003cli\u003eValve: Presta (6.5mm hole); Schrader adapter not compatible without re-drilling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 30mm inner wide carbon rim better for aggressive MTB riding than standard width?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. A 30mm inner width seats tyres 2.2–2.6 inch in a wider, rounder profile, improving cornering traction and reducing pinch-flat risk versus a 25mm inner width rim. It meets ETRTO recommendations for modern 29er MTB tyres sized 2.35 and above.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the lightest 29er carbon MTB rim available in this range?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Extreme Light grade weighs 300 ± 10g per rim. At 290g minimum, it is among the lightest production carbon 29er rims at 36mm outer width. Note the tighter tolerance and the rider-weight guideline of \u0026lt;120 kg applies to all grades.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eShould I choose the 20mm or 25mm profile for cross-country versus enduro?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eChoose the 20mm profile for XC and marathon — lower profile reduces weight and aerodynamic drag at speed. Choose the 25mm profile for trail and enduro — the taller sidewall adds lateral stiffness under cornering loads.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat are the strength and weight tradeoffs between ultralight and standard carbon MTB rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Standard grade (380g) maintains full structural margins across all three strength metrics. Each lighter tier reduces wall thickness incrementally; forward compressive and spoke tension figures remain \u0026gt;300 kg and \u0026gt;280 kg respectively across all grades per Bola's internal testing, but real-world impact resistance decreases as mass drops.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan this rim be set up tubeless?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The 30mm inner width and 4.5mm spoke holes are compatible with standard tubeless tape and valves. Apply at least two full wraps of 33mm tubeless tape to ensure an airtight seal before installing a tubeless valve.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er carbon MTB rim,36mm outer 30mm inner wide,20mm and 25mm wave profile and 28 spoke,superlight and ultra light even exteme light,Bola\",\n  \"description\": \"29er Carbon MTB Rim – Wave Profile, 30mm Inner Wide (Bola) The Bola 29er carbon MTB rim delivers a 36mm outer \/ 30mm inner width with a proprietary wave (wavy) profile in 20mm and 25mm heights, tuned for 28-spoke lacing. Four weight tiers — 380g, 350g, 325g, and 300g — let riders match rim mass to discipline without changing geometry or spoke count. Specifications Parameter Value Rim Diameter 29er (ISO 622mm) Outer Width 36mm Inner Width 30mm Profile Heights 20mm \/ 25mm (wave profile) Spoke Count 28H ERD 589mm Valve Hole Dia. 6.5mm (customisable) Spoke Hole Dia. 4.5mm (customisable) Assembly Hole Dia. 7.5mm (customisable) Nipple Direction Front 7°, Rear 5° \u0026amp; 7° (customisable) Min \/ Max Tyre Pressure 45 \/ 65 psi Max Rider Weight 120 kg Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Dynamic Balance \u0026lt;3g Weight Tiers Grade Weight per Rim Best For Standard 380 ± 15g All-mountain \/ enduro, prioritises durability Superlight 350 ± 10g Trail riding, balanced weight–strength Ultralight 325 ± 10g XC racing, marginal gains over durability Extreme Light 300 ± 10g Competitive XC, lightest option; tighter rider-weight ceiling recommended Structural Strength Data Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion Resistance: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg Tradeoff note: Moving from the 380g Standard tier to the 300g Extreme Light tier reduces rim mass by ~21% but narrows the safety margin for aggressive rock-garden impacts. Riders over 90 kg or running tubeless at the pressure ceiling (65 psi) are advised to select the Standard or Superlight grade. Profile Selection Guide 20mm wave profile: Lower aerodynamic drag, lighter feel — suited to cross-country (XC) and marathon racing where rolling resistance and acceleration matter most. 25mm wave profile: Marginally stiffer lateral platform — better suited to trail and light enduro where cornering precision is prioritised over outright weight. Compatibility Tyre compatibility: 2.0–2.6 inch MTB tyres (tubeless-ready with 30mm inner width) Spoke lacing: 28-hole; compatible with standard J-bend and straight-pull spokes at 4.5mm spoke hole diameter Valve: Presta (6.5mm hole); Schrader adapter not compatible without re-drilling Frequently Asked Questions Is a 30mm inner wide carbon rim better for aggressive MTB riding than standard width? Yes. A 30mm inner width seats tyres 2.2–2.6 inch in a wider, rounder profile, improving cornering traction and reducing pinch-flat risk versus a 25mm inner width rim. It meets ETRTO recommendations for modern 29er MTB tyres sized 2.35 and above. What is the lightest 29er carbon MTB rim available in this range? The Extreme Light grade weighs 300 ± 10g per rim. At 290g minimum, it is among the lightest production carbon 29er rims at 36mm outer width. Note the tighter tolerance and the rider-weight guideline of \u0026lt;120 kg applies to all grades. Should I choose the 20mm or 25mm profile for cross-country versus enduro? Choose the 20mm profile for XC and marathon — lower profile reduces weight and aerodynamic drag at speed. Choose the 25mm profile for trail and enduro — the taller sidewall adds lateral stiffness under cornering loads. What are the strength and weight tradeoffs between ultralight and standard carbon MTB rims? The Standard grade (380g) maintains full structural margins across all three strength metrics. Each lighter tier reduces wall thickness incrementally; forward compressive and spoke tension figures remain \u0026gt;300 kg and \u0026gt;280 kg respectively across all grades per Bola's internal testing, but real-world impact resistance decreases as mass drops. Can this rim be set up tubeless? Yes. The 30mm inner width and 4.5mm spoke holes are compatible with standard tubeless tape and valves. Apply at least two full wraps of 33mm tubeless tape to ensure an airtight seal before installing a tubeless valve.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Wavy\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/mtb_wave.png?v=1733903792\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29er_wave.png?v=1733903792\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/surface_f1230322-3ddf-4fd0-b237-7adb3e4ce7e9.jpg?v=1767150768\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29er2.png?v=1736316824\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/redbola_8887e641-3de0-41c4-a66e-78e20cb4c614.jpg?v=1767150768\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebola_b4d67109-868c-42a8-b0df-fde348a22fa0.jpg?v=1767150768\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/yellowbola_fc7a6a6f-184a-49ca-9fe0-5882f00cffe8.jpg?v=1767150768\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"price\": \"280.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/29er-carbon-mtb-rim-36mm-outer-30mm-inner-wide-20mm-and-25mm-wave-profile-and-28-spoke-superlight-and-ultra-light-even-exteme-light-bola\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"https:\/\/bolacarbon.com\"\n    }\n  }\n}\n\u003c\/script\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ Standard","offer_id":48133210112254,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Superlight","offer_id":48133210145022,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Ultralight","offer_id":48133210177790,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Standard","offer_id":48133210210558,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Superlight","offer_id":48133210243326,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Ultralight","offer_id":48133210276094,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Standard","offer_id":48133210308862,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Superlight","offer_id":48133210341630,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Ultralight","offer_id":48133210374398,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Standard","offer_id":48133210407166,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Superlight","offer_id":48133210439934,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Ultralight","offer_id":48133210472702,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/29er_w_set.png?v=1780298414"},{"product_id":"700c-carbon-road-bike-rim-50mm-deep-36mm-wide-superlight-to-extreme-light-options-395-490g","title":"700c Carbon Road Bike Rim, 50mm Deep, 36mm Wide, Tubeless-Ready, 395g–490g","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eExplore the Benefits of the 700c 50mm Carbon Road Rim\u003c\/h2\u003e\n\u003cp\u003eThis 700c carbon fiber road rim combines a 50mm aerodynamic profile with a wide 36mm outer and 30mm inner diameter, making it compatible with modern road tires from 25c to 32c. Available in four weight tiers — Normal (490g), Superlight (450g), Ultralight (410g), and Extreme Light (395g) — the rim lets builders match weight targets to budget and use case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTradeoff note:\u003c\/strong\u003e Lighter tiers (Ultralight and Extreme Light) reduce rotating mass but carry tighter manufacturing tolerances. Flatness is held to \u0026lt;0.15mm and roundness to \u0026lt;0.3mm across all variants, so structural integrity is not compromised at lower weights.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Diameter\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eV-shape \/ U-shape hookless-compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e538mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Normal)\u003c\/td\u003e\n\u003ctd\u003e490 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e450 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Ultralight)\u003c\/td\u003e\n\u003ctd\u003e410 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Extreme Light)\u003c\/td\u003e\n\u003ctd\u003e395 ± 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e100 \/ 125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Dia\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Dia\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Dia\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Tier Comparison: Which Should You Choose?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal (490g):\u003c\/strong\u003e Best for training wheels, heavy riders up to 120kg, or builds prioritizing durability over gram count.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperlight (450g):\u003c\/strong\u003e A balanced choice for riders who train and race on the same wheelset. Saves ~80g per pair versus Normal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltralight (410g):\u003c\/strong\u003e Suited to racing builds and climbers under 80kg seeking maximum rotating mass reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Light (395g):\u003c\/strong\u003e Targeted at competitive race use. At 395g, each rim is approximately 95g lighter per pair than the Normal variant — a meaningful difference for climbing or sprint courses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire width:\u003c\/strong\u003e 30mm inner width is optimized for 28c–32c road tires; compatible with 25c at the narrower end of the recommended range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve type:\u003c\/strong\u003e 6.5mm valve hole accepts standard Presta valves; extended valve stems recommended given 50mm rim depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke count:\u003c\/strong\u003e Custom drilling available; standard builds typically use 24h or 28h.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless:\u003c\/strong\u003e Hookless-compatible profile supports tubeless setup with appropriate tape and valves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 50mm carbon rim suitable for everyday training or only racing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA 50mm rim offers an aerodynamic advantage at speeds above 35km\/h and adds minimal crosswind penalty compared to shallower profiles. It is a practical all-round depth for riders who train and race on the same wheels, particularly in flat to rolling terrain.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between Superlight and Ultralight carbon rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eSuperlight is 450 ± 10g; Ultralight is 410 ± 10g — a 40g difference per rim or approximately 80g per built wheel pair. Both share identical structural strength ratings (\u0026gt;300kg forward compressive strength, \u0026gt;280kg spoke hole tension). The choice depends on whether you prioritise cost efficiency (Superlight) or minimum rotating mass (Ultralight).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre 30mm inner width rims compatible with modern road bike tires?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The 30mm inner width aligns with the current industry standard for wide road and gravel rims (ETRTO 2020+ guidelines recommend inner widths of 19–25mm for road, and up to 30mm for wider-tire applications). It is compatible with tires from 28c to 40c and improves the tire's casing shape for better rolling resistance and puncture protection.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat rider weight limit applies to these rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAll weight variants are rated for riders up to 120kg (system weight including rider, bike, and luggage). Riders near this limit are advised to select the Normal or Superlight tier for maximum fatigue life.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan spoke hole diameter and nipple direction be customized?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Spoke hole diameter (standard 4.5mm), valve hole diameter (standard 6.5mm), and assembly hole diameter (standard 7.5mm) can all be customized on request. Nipple direction is also configurable: 7° front; 5° or 7° rear.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Design for Enhanced Cycling Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 700c 50mm carbon road rim stands out with its perfect balance of depth and width, measuring 50mm deep and 36mm wide. This design improves aerodynamic efficiency while maintaining excellent stability and control, crucial for road cyclists aiming for speed without sacrificing comfort. The rim's structure reduces air resistance, making every pedal stroke more efficient and allowing riders to maintain higher speeds over long distances with less fatigue. Whether tackling flat roads or rolling hills, this rim offers an edge in performance for serious cyclists.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Construction from Superlight to Extreme Light Options\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWeighing between 395 and 490 grams, the 700c 50mm carbon road rim is available in a range of lightweight options to suit different riding styles. The superlight versions prioritize climbing and acceleration by significantly reducing rotational mass, whereas the extreme light models strike a balance between durability and low weight. Carbon fiber materials ensure the rims remain stiff and responsive despite their lightness, giving riders precise handling and quicker response times during competitive rides or training sessions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurability and Versatility for All Road Conditions\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted from high-quality carbon, this 50mm deep rim is built to withstand the rigors of varied road conditions. It offers excellent impact resistance and can endure daily wear, making it a reliable choice for both amateur and professional cyclists. The 36mm width accommodates wider tires, enhancing grip and comfort, especially on rougher surfaces. Its versatility allows riders to customize tire pressure for better traction or speed, making this rim an ideal upgrade for those seeking long-lasting, high-performance cycling equipment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c Carbon Road Bike Rim, 50mm Deep, 36mm Wide, Tubeless-Ready, 395g–490g\",\n  \"description\": \"Explore the Benefits of the 700c 50mm Carbon Road Rim This 700c carbon fiber road rim combines a 50mm aerodynamic profile with a wide 36mm outer and 30mm inner diameter, making it compatible with modern road tires from 25c to 32c. Available in four weight tiers — Normal (490g), Superlight (450g), Ultralight (410g), and Extreme Light (395g) — the rim lets builders match weight targets to budget and use case. Tradeoff note: Lighter tiers (Ultralight and Extreme Light) reduce rotating mass but carry tighter manufacturing tolerances. Flatness is held to \u0026lt;0.15mm and roundness to \u0026lt;0.3mm across all variants, so structural integrity is not compromised at lower weights. Technical Specifications Specification Value Rim Diameter 700c (ISO 622) Rim Shape V-shape \/ U-shape hookless-compatible Rim Height 50mm Outer Width 36mm Inner Width 30mm ERD 538mm Weight (Normal) 490 ± 15g Weight (Superlight) 450 ± 10g Weight (Ultralight) 410 ± 10g Weight (Extreme Light) 395 ± 10g Forward Compressive Strength \u0026gt;300kg Lateral Torsion \u0026gt;50kg Spoke Hole Tension \u0026gt;280kg Dynamic Equilibrium \u0026lt;3g Flatness \u0026lt;0.15mm Roundness \u0026lt;0.3mm Min \/ Max Tire Pressure 100 \/ 125 psi Max Rider Weight 120kg Assembly Hole Dia 7.5mm (customizable) Valve Hole Dia 6.5mm (customizable) Spoke Hole Dia 4.5mm (customizable) Nipple Direction (Front) 7° Nipple Direction (Rear) 5° \u0026amp; 7° (customizable) Weight Tier Comparison: Which Should You Choose? Normal (490g): Best for training wheels, heavy riders up to 120kg, or builds prioritizing durability over gram count. Superlight (450g): A balanced choice for riders who train and race on the same wheelset. Saves ~80g per pair versus Normal. Ultralight (410g): Suited to racing builds and climbers under 80kg seeking maximum rotating mass reduction. Extreme Light (395g): Targeted at competitive race use. At 395g, each rim is approximately 95g lighter per pair than the Normal variant — a meaningful difference for climbing or sprint courses. Compatibility Tire width: 30mm inner width is optimized for 28c–32c road tires; compatible with 25c at the narrower end of the recommended range. Valve type: 6.5mm valve hole accepts standard Presta valves; extended valve stems recommended given 50mm rim depth. Spoke count: Custom drilling available; standard builds typically use 24h or 28h. Tubeless: Hookless-compatible profile supports tubeless setup with appropriate tape and valves. Frequently Asked Questions Is a 50mm carbon rim suitable for everyday training or only racing? A 50mm rim offers an aerodynamic advantage at speeds above 35km\/h and adds minimal crosswind penalty compared to shallower profiles. It is a practical all-round depth for riders who train and race on the same wheels, particularly in flat to rolling terrain. What is the difference between Superlight and Ultralight carbon rims? Superlight is 450 ± 10g; Ultralight is 410 ± 10g — a 40g difference per rim or approximately 80g per built wheel pair. Both share identical structural strength ratings (\u0026gt;300kg forward compressive strength, \u0026gt;280kg spoke hole tension). The choice depends on whether you prioritise cost efficiency (Superlight) or minimum rotating mass (Ultralight). Are 30mm inner width rims compatible with modern road bike tires? Yes. The 30mm inner width aligns with the current industry standard for wide road and gravel rims (ETRTO 2020+ guidelines recommend inner widths of 19–25mm for road, and up to 30mm for wider-tire applications). It is compatible with tires from 28c to 40c and improves the tire's casing shape for better rolling resistance and puncture protection. What rider weight limit applies to these rims? All weight variants are rated for riders up to 120kg (system weight including rider, bike, and luggage). Riders near this limit are advised to select the Normal or Superlight tier for maximum fatigue life. Can spoke hole diameter and nipple direction be customized? Yes. Spoke hole diameter (standard 4.5mm), valve hole diameter (standard 6.5mm), and assembly hole diameter (standard 7.5mm) can all be customized on request. Nipple direction is also configurable: 7° front; 5° or 7° rear. Optimized Design for Enhanced Cycling Performance The 700c 50mm carbon road rim stands out with its perfect balance of depth and width, measuring 50mm deep and 36mm wide. This design improves aerodynamic efficiency while maintaining excellent stability and control, crucial for road cyclists aiming for speed without sacrificing comfort. The rim's structure reduces air resistance, making every pedal stroke more efficient and allowing riders to maintain higher speeds over long distances with less fatigue. Whether tackling flat roads or rolling hills, this rim offers an edge in performance for serious cyclists. Lightweight Construction from Superlight to Extreme Light Options Weighing between 395 and 490 grams, the 700c 50mm carbon road rim is available in a range of lightweight options to suit different riding styles. The superlight versions prioritize climbing and acceleration by significantly reducing rotational mass, whereas the extreme light models strike a balance between durability and low weight. Carbon fiber materials ensure the rims remain stiff and responsive despite their lightness, giving riders precise handling and quicker response times during competitive rides or training sessions. Durability and Versatility for All Road Conditions Crafted from high-quality carbon, this 50mm deep rim is built to withstand the rigors of varied road conditions. It offers excellent impact resistance and can endure daily wear, making it a reliable choice for both amateur and professional cyclists. The 36mm width accommodates wider tires, enhancing grip and comfort, especially on rougher surfaces. 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Four factory weight tiers — from 450g (standard) down to 375g (extreme light) — let builders match rim mass to rider priority without compromising structural compliance. Forward compressive strength exceeds 300 kg; spoke hole tension exceeds 280 kg.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU \/ UV Shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e548 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3 g imbalance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWeight Tier Comparison\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTier\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e450 ± 15 g\u003c\/td\u003e\n\u003ctd\u003eTraining, durability-priority builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuper Light\u003c\/td\u003e\n\u003ctd\u003e425 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eAll-round performance builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltra Light\u003c\/td\u003e\n\u003ctd\u003e395 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eClimbing and criterium racing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e375 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eMaximum weight saving; use with experienced builders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eTradeoff note:\u003c\/em\u003e Lighter tiers reduce layup thickness. For riders over 90 kg or those using high-torque disc brakes, the Normal or Super Light tier is recommended for long-term reliability.\u003c\/p\u003e\u003ch2\u003eTire \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eThe 30mm inner width (ETRTO-aligned) optimally accommodates 28c–38c tubeless road and gravel tires. Rim is tubeless-ready with a sealed bed; standard tubeless tape and valves required. Compatible with both rim-brake and disc-brake builds depending on variant selected.\u003c\/p\u003e\u003ch2\u003eStructural Testing Data\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Equilibrium:\u003c\/strong\u003e \u0026lt;3 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatness:\u003c\/strong\u003e \u0026lt;0.15 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoundness:\u003c\/strong\u003e \u0026lt;0.3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCustomization Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eValve hole diameter: 6.5 mm standard or custom\u003c\/li\u003e\n\u003cli\u003eSpoke hole diameter: 4.5 mm standard or custom\u003c\/li\u003e\n\u003cli\u003eAssembly hole diameter: 7.5 mm standard or custom\u003c\/li\u003e\n\u003cli\u003eNipple angle: custom configurations available on request\u003c\/li\u003e\n\u003cli\u003eDrilling count: contact Bola for OEM\/custom spoke counts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire width is best for a 30mm inner wide rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA 30mm inner width supports 28c–38c tires optimally under ETRTO guidelines, with 32c being a common choice for mixed road\/gravel use. Narrower 25c tires are not recommended on this rim width.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the 36mm outer width affect aerodynamics?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA wider outer rim creates a smoother air-transition to modern wide tires (28c+), reducing turbulence at the tire-rim junction. This can offer measurable aero gains over narrower rims when paired with 28c or wider tires at road cycling speeds (30–50 km\/h).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhich weight tier should I choose for racing vs. training?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFor racing and climbing, Ultra Light (395 g) or Extreme Light (375 g) minimize rotational mass. For training or riders over 90 kg, Normal (450 g) or Super Light (425 g) provide greater fatigue resistance over time.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this rim tubeless-ready out of the box?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The rim bed is sealed for tubeless use. You will need to add compatible tubeless tape and a tubeless valve (not included).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the maximum rider weight?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eBola rates this rim for riders up to 120 kg. Heavier riders should select the Normal weight tier and consult Bola for build recommendations.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan spoke hole and valve hole dimensions be customized?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Standard diameters are 4.5 mm (spoke), 6.5 mm (valve), and 7.5 mm (assembly). Custom dimensions are available — contact Bola directly with your specifications.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c tubeless carbon velo rim 45mm profile,36mm outer 30mm inner wide,super ultra or extreme light option,Bola\",\n  \"description\": \"Bola 700c Tubeless Carbon Road Rim – 45mm Profile The Bola 45mm carbon rim delivers a 36mm outer \/ 30mm inner wide tubeless-ready platform for 700c road and gravel wheels. Four factory weight tiers — from 450g (standard) down to 375g (extreme light) — let builders match rim mass to rider priority without compromising structural compliance. Forward compressive strength exceeds 300 kg; spoke hole tension exceeds 280 kg. Key Specifications Specification Value Rim Size 700C Rim Profile U \/ UV Shape Rim Height 45 mm Outer Width 36 mm Inner Width 30 mm ERD 548 mm Valve Hole Diameter 6.5 mm (customizable) Spoke Hole Diameter 4.5 mm (customizable) Assembly Hole Diameter 7.5 mm (customizable) Tire Pressure Range 100–125 psi Max Rider Weight 120 kg Dynamic Equilibrium \u0026lt;3 g imbalance Flatness Tolerance \u0026lt;0.15 mm Roundness Tolerance \u0026lt;0.3 mm Nipple Direction (Front) 7° Nipple Direction (Rear) 5° \u0026amp; 7° (customizable) Weight Tier Comparison Tier Weight per Rim Best For Normal 450 ± 15 g Training, durability-priority builds Super Light 425 ± 10 g All-round performance builds Ultra Light 395 ± 10 g Climbing and criterium racing Extreme Light 375 ± 10 g Maximum weight saving; use with experienced builders Tradeoff note: Lighter tiers reduce layup thickness. For riders over 90 kg or those using high-torque disc brakes, the Normal or Super Light tier is recommended for long-term reliability. Tire \u0026amp; Compatibility The 30mm inner width (ETRTO-aligned) optimally accommodates 28c–38c tubeless road and gravel tires. Rim is tubeless-ready with a sealed bed; standard tubeless tape and valves required. Compatible with both rim-brake and disc-brake builds depending on variant selected. Structural Testing Data Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion Resistance: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg Dynamic Equilibrium: \u0026lt;3 g Flatness: \u0026lt;0.15 mm Roundness: \u0026lt;0.3 mm Customization Options Valve hole diameter: 6.5 mm standard or custom Spoke hole diameter: 4.5 mm standard or custom Assembly hole diameter: 7.5 mm standard or custom Nipple angle: custom configurations available on request Drilling count: contact Bola for OEM\/custom spoke counts Frequently Asked Questions What tire width is best for a 30mm inner wide rim? A 30mm inner width supports 28c–38c tires optimally under ETRTO guidelines, with 32c being a common choice for mixed road\/gravel use. Narrower 25c tires are not recommended on this rim width. How does the 36mm outer width affect aerodynamics? A wider outer rim creates a smoother air-transition to modern wide tires (28c+), reducing turbulence at the tire-rim junction. This can offer measurable aero gains over narrower rims when paired with 28c or wider tires at road cycling speeds (30–50 km\/h). Which weight tier should I choose for racing vs. training? For racing and climbing, Ultra Light (395 g) or Extreme Light (375 g) minimize rotational mass. For training or riders over 90 kg, Normal (450 g) or Super Light (425 g) provide greater fatigue resistance over time. Is this rim tubeless-ready out of the box? Yes. The rim bed is sealed for tubeless use. You will need to add compatible tubeless tape and a tubeless valve (not included). What is the maximum rider weight? Bola rates this rim for riders up to 120 kg. Heavier riders should select the Normal weight tier and consult Bola for build recommendations. Can spoke hole and valve hole dimensions be customized? Yes. Standard diameters are 4.5 mm (spoke), 6.5 mm (valve), and 7.5 mm (assembly). 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The 30mm inner width accommodates tires from 38mm to 50mm at optimal pressure, while the 35mm profile balances aerodynamic efficiency with crosswind stability on mixed terrain. Available in four weight grades to match rider priority: compliance, weight savings, or cost efficiency.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Standard\u003c\/td\u003e\n\u003ctd\u003e700c (ISO 622mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eUV (hookless-compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e568mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e100 \/ 125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWeight Variants\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eWeight (per rim)\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e435 ± 15g\u003c\/td\u003e\n\u003ctd\u003eTraining, value builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e390 ± 10g\u003c\/td\u003e\n\u003ctd\u003eAll-day endurance gravel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e370 ± 10g\u003c\/td\u003e\n\u003ctd\u003eGravel race builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e350 ± 10g\u003c\/td\u003e\n\u003ctd\u003eCompetitive weight-optimized builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eStructural Strength Testing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion:\u003c\/strong\u003e \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy 30mm Inner Width for Gravel?\u003c\/h2\u003e\u003cp\u003eA 30mm inner width is the current industry benchmark for gravel-specific rims. It widens a 40mm tire's contact patch by approximately 2–4mm versus a 25mm inner rim, improving traction and enabling lower tire pressures (typically 28–38 psi for riders under 80 kg). The UV (hookless) bead profile supports tubeless setup without sealant blowout risk at the stated 100–125 psi range.\u003c\/p\u003e\u003ch2\u003e35mm Height: Gravel Racing vs. Endurance Riding\u003c\/h2\u003e\u003cp\u003eAt 35mm, this rim sits at the crossover point between an aero road rim and a traditional gravel depth. It provides measurable aerodynamic benefit over shallow 25mm rims on smooth gravel sectors while remaining manageable in crosswinds above 30 km\/h — a tradeoff that makes it well-suited to mixed-surface events such as gravel races with pavement transitions. Riders prioritizing pure compliance on technical singletrack may prefer a 25mm depth; those on fast open gravel gain from the 35mm profile.\u003c\/p\u003e\u003ch2\u003eCustomization Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpoke hole count: OEM \/ custom drillings available\u003c\/li\u003e\n\u003cli\u003eHole diameters (spoke, valve, assembly): customizable on request\u003c\/li\u003e\n\u003cli\u003eNipple angle: front 7°, rear 5° \u0026amp; 7° or custom\u003c\/li\u003e\n\u003cli\u003ePrivate label \/ OEM branding supported\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a 30mm inner width rim compatible with 700c gravel tires?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. A 30mm inner width is recommended for tires between 38mm and 50mm. It meets the ETRTO 2020 guideline that inner rim width should be 1.8–3× narrower than mounted tire width for hookless tubeless use.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the difference between the Superlight and Ultralight versions?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Superlight grade (390 ± 10g) uses a slightly thicker layup for added durability during training; the Ultralight (370 ± 10g) reduces resin content for race-day weight savings. Both meet the same structural strength thresholds (\u0026gt;300 kg compressive, \u0026gt;280 kg spoke tension).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I run this rim clincher (with inner tube) as well as tubeless?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe UV hookless profile is optimized for tubeless setup. Clincher use with a standard hooked tire is not recommended on hookless rims per ETRTO safety guidelines.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire pressure range is supported?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eMinimum 100 psi \/ maximum 125 psi. For tubeless gravel use, most riders operate 28–45 psi — well within the structural range of this rim.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the warranty period?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThree years from date of purchase against manufacturing defects.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700c 30mm inner wide 36mm outer wide tubeless 35mm height carbon gravel rim,four light version,Bola\",\n  \"description\": \"700c Tubeless Carbon Gravel Rim — 30mm Inner Width, 35mm Height A 700c tubeless-ready carbon rim designed for gravel racing and endurance riding. The 30mm inner width accommodates tires from 38mm to 50mm at optimal pressure, while the 35mm profile balances aerodynamic efficiency with crosswind stability on mixed terrain. Available in four weight grades to match rider priority: compliance, weight savings, or cost efficiency. Technical Specifications Parameter Value Wheel Standard 700c (ISO 622mm) Rim Shape UV (hookless-compatible) Rim Height 35mm Outer Width 36mm Inner Width 30mm ERD 568mm Spoke Hole Diameter 4.5mm (customizable) Valve Hole Diameter 6.5mm (customizable) Assembly Hole Diameter 7.5mm (customizable) Nipple Direction (Front) 7° Nipple Direction (Rear) 5° \u0026amp; 7° (customizable) Min \/ Max Tire Pressure 100 \/ 125 psi Max Rider Weight 120 kg Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Dynamic Balance \u0026lt;3g Weight Variants Grade Weight (per rim) Best For Normal 435 ± 15g Training, value builds Superlight 390 ± 10g All-day endurance gravel Ultralight 370 ± 10g Gravel race builds Extreme Light 350 ± 10g Competitive weight-optimized builds Structural Strength Testing Forward Compressive Strength: \u0026gt;300 kg Lateral Torsion: \u0026gt;50 kg Spoke Hole Tension: \u0026gt;280 kg Why 30mm Inner Width for Gravel? A 30mm inner width is the current industry benchmark for gravel-specific rims. It widens a 40mm tire's contact patch by approximately 2–4mm versus a 25mm inner rim, improving traction and enabling lower tire pressures (typically 28–38 psi for riders under 80 kg). The UV (hookless) bead profile supports tubeless setup without sealant blowout risk at the stated 100–125 psi range. 35mm Height: Gravel Racing vs. Endurance Riding At 35mm, this rim sits at the crossover point between an aero road rim and a traditional gravel depth. It provides measurable aerodynamic benefit over shallow 25mm rims on smooth gravel sectors while remaining manageable in crosswinds above 30 km\/h — a tradeoff that makes it well-suited to mixed-surface events such as gravel races with pavement transitions. Riders prioritizing pure compliance on technical singletrack may prefer a 25mm depth; those on fast open gravel gain from the 35mm profile. Customization Options Spoke hole count: OEM \/ custom drillings available Hole diameters (spoke, valve, assembly): customizable on request Nipple angle: front 7°, rear 5° \u0026amp; 7° or custom Private label \/ OEM branding supported Frequently Asked Questions Is a 30mm inner width rim compatible with 700c gravel tires? Yes. A 30mm inner width is recommended for tires between 38mm and 50mm. It meets the ETRTO 2020 guideline that inner rim width should be 1.8–3× narrower than mounted tire width for hookless tubeless use. What is the difference between the Superlight and Ultralight versions? The Superlight grade (390 ± 10g) uses a slightly thicker layup for added durability during training; the Ultralight (370 ± 10g) reduces resin content for race-day weight savings. Both meet the same structural strength thresholds (\u0026gt;300 kg compressive, \u0026gt;280 kg spoke tension). Can I run this rim clincher (with inner tube) as well as tubeless? The UV hookless profile is optimized for tubeless setup. Clincher use with a standard hooked tire is not recommended on hookless rims per ETRTO safety guidelines. What tire pressure range is supported? Minimum 100 psi \/ maximum 125 psi. For tubeless gravel use, most riders operate 28–45 psi — well within the structural range of this rim. What is the warranty period? Three years from date of purchase against manufacturing defects.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"UV shape\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/35_3168443a-4fc4-47be-a6e8-20f502eb0c47.png?v=1733907907\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/356.png?v=1733907907\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/surface_f1230322-3ddf-4fd0-b237-7adb3e4ce7e9.jpg?v=1767150768\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/redbola_8887e641-3de0-41c4-a66e-78e20cb4c614.jpg?v=1767150768\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebola_b4d67109-868c-42a8-b0df-fde348a22fa0.jpg?v=1767150768\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/yellowbola_fc7a6a6f-184a-49ca-9fe0-5882f00cffe8.jpg?v=1767150768\"\n  ],\n  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Available in four weight tiers — from a race-optimised 335 g to a training-grade 420 g — letting riders balance durability and weight savings based on their use case.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Standard\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU \/ V Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e578 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front \/ Rear)\u003c\/td\u003e\n\u003ctd\u003e7° \/ 5° \u0026amp; 7° (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tyre Pressure\u003c\/td\u003e\n\u003ctd\u003e100 \/ 125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Variants\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTier\u003c\/th\u003e\n\u003cth\u003eWeight (per rim)\u003c\/th\u003e\n\u003cth\u003eRecommended Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e420 ± 15 g\u003c\/td\u003e\n\u003ctd\u003eTraining, commuting, everyday builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e380 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eEndurance racing, gran fondo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e355 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eRoad racing, climbing-focused builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e335 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eElite racing, strict weight-limit builds (\u0026lt; 100 kg rider)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Strength Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt; 300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt; 50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt; 280 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy 30mm Inner Width?\u003c\/h2\u003e\n\u003cp\u003eA 30 mm inner width supports tyre widths from 25 mm up to 40 mm, complying with ETRTO 2020 guidelines that recommend inner rim width ≥ 105% of the mounted tyre's casing width. Compared to traditional 19–21 mm inner-width rims, the wider bed reduces tyre sidewall pinch, lowers rolling resistance on 28–32 mm tyres, and improves cornering stability at lower pressures — a measurable advantage for endurance road and mixed-surface riding.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTradeoff to consider:\u003c\/em\u003e The 36 mm outer width adds marginal aerodynamic drag vs. a narrower 28 mm outer rim at speeds below 35 km\/h, but delivers superior tyre support and tubeless seating reliability.\u003c\/p\u003e\n\u003ch2\u003eTubeless Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe rim bed is machined for tubeless-ready (TLR) tape and valve compatibility. The 6.5 mm valve hole accepts standard 44 mm and 60 mm tubeless valves. Sealant capacity is sufficient for 28–38 mm tyre volumes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this rim suitable for gravel riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The 30 mm inner width accommodates tyres up to 40 mm, and the 100–125 psi pressure range supports both road and light gravel tyre pressures. For aggressive gravel use, the Normal (420 g) or Superlight (380 g) tier is recommended for added impact resistance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the safe weight limit for the Extreme Light (335 g) variant?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Extreme Light rim is rated for riders up to 100 kg (combined rider + gear weight). The spoke hole tension rating of \u0026gt; 280 kg and compressive strength of \u0026gt; 300 kg apply across all weight tiers, but reduced wall thickness in the Extreme Light variant makes it best suited to smooth road surfaces and controlled racing conditions.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does this rim compare to a traditional 25 mm outer-width rim for aerodynamics?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAt the 30 mm profile height, aerodynamic gains over a shallow 25 mm rim are modest (most wind tunnel data shows \u0026lt; 5 W savings below 45 km\/h). The primary advantage of this rim is tyre volume optimisation and tubeless reliability rather than deep-section aero performance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spoke count and nipple types are compatible?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe 4.5 mm spoke holes are compatible with standard J-bend and straight-pull spokes. Nipple direction is 7° front and 5°\/7° rear (customisable on request), suitable for 2-cross and 3-cross lacing patterns on most road and endurance hubs.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this rim come with a warranty?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Bola offers a 3-year manufacturer warranty covering structural defects. Warranty is valid for riders within the 100 kg weight limit using tyres within the specified 100–125 psi pressure range.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design for Enhanced Speed and Efficiency\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola 30mm tubeless carbon road rim combines a lightweight frame weighing between 335 to 420 grams with a 30mm inner width, allowing cyclists to benefit from improved speed and ride quality. This carbon rim balances strength and minimal weight, making it ideal for competitive road cycling where efficiency and performance are crucial. Its tubeless-ready design also reduces rolling resistance, giving riders a smoother, faster ride on every road.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurable Construction Ensuring Long-Term Reliability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted with high-quality carbon fiber, this tubeless carbon road rim guarantees both strength and durability, suitable for the rigors of long-distance rides and daily training sessions. The 30mm inner width supports a variety of tire sizes and enhances tire stability, reducing the risk of pinch flats and improving cornering confidence. The robust construction also prevents damage from rough roads, making it a reliable choice for endurance cyclists.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Tubeless Ready Features for Better Ride Quality\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola rim’s tubeless-ready technology permits easy setup with tubeless tires, offering improved puncture resistance and enhanced ride comfort. This design eliminates the need for an inner tube, reducing overall weight and decreasing the chance of flats. 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With a 38mm outer width, 32mm inner width, and 45mm profile height, it is optimised for modern 28–32mm road tyres and delivers a balance of aerodynamic efficiency and lateral stiffness. Available in four weight tiers to match rider priorities from durability to weight-weenie climbing builds.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Standard\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eOffset (asymmetric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Height\u003c\/td\u003e\n\u003ctd\u003e45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e548mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front)\u003c\/td\u003e\n\u003ctd\u003e7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Rear)\u003c\/td\u003e\n\u003ctd\u003e5° \u0026amp; 7° (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTyre Pressure Range\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWeight Tier Comparison\u003c\/h2\u003e\u003cp\u003eSelect the weight scheme that aligns with your riding discipline and build requirements:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eScheme\u003c\/th\u003e\n\u003cth\u003eWeight per Rim\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e470 ±15g\u003c\/td\u003e\n\u003ctd\u003eTraining, everyday riding, heavier riders up to 120kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e445 ±15g\u003c\/td\u003e\n\u003ctd\u003eAll-around road racing, sportives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e410 ±10g\u003c\/td\u003e\n\u003ctd\u003eRace-day builds, climbing-focused wheelsets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e390 ±10g\u003c\/td\u003e\n\u003ctd\u003eDedicated climbing or time-trial builds; lower tolerance margin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eTrade-off note: Lighter schemes (Ultralight \/ Extreme Light) use reduced carbon layup. While they save 60–80g per rim versus Normal, they carry a tighter strength margin. For riders over 90kg or those riding rough road surfaces regularly, Superlight or Normal is recommended.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eStructural Strength Data\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt;280kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy an Offset (Asymmetric) Rim?\u003c\/h2\u003e\u003cp\u003eOn rear wheels, drive-side spoke bracing angles are shallower than non-drive-side due to cassette offset, resulting in uneven spoke tension. An offset rim shifts the spoke bed 2–3mm toward the drive side, equalising tension across both flanges. This reduces the risk of spoke fatigue failure and improves lateral stiffness — particularly relevant on wide rims (\u0026gt;30mm inner) paired with 11- or 12-speed drivetrains.\u003c\/p\u003e\u003ch2\u003eTubeless Compatibility\u003c\/h2\u003e\u003cp\u003eThe rim bed is tubeless-ready with a sealed profile compatible with standard tubeless tape and valves. The 32mm inner width accommodates 28–32mm road tubeless tyres at the recommended tyre-to-rim ratio. Minimum recommended tyre width: 28mm.\u003c\/p\u003e\u003ch2\u003eCustomisation Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpoke hole count: customisable on request\u003c\/li\u003e\n\u003cli\u003eValve hole diameter: 6.5mm standard or customised\u003c\/li\u003e\n\u003cli\u003eAssembly hole diameter: 7.5mm standard or customised\u003c\/li\u003e\n\u003cli\u003eNipple direction: configurable for front and rear specific builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs a 32mm inner width rim good for endurance road cycling?\u003c\/h3\u003e\u003cp\u003eYes. A 32mm inner width is well-suited to endurance road cycling when paired with 28–32mm tyres. The wider bed reduces tyre sidewall deformation, allowing lower inflation pressures (100–115psi range) for improved vibration damping without sacrificing rolling efficiency.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between Superlight and Ultralight, and is it worth the extra cost?\u003c\/h3\u003e\u003cp\u003eThe Superlight scheme weighs 445 ±15g and suits all-around road use. The Ultralight scheme at 410 ±10g saves approximately 35g per rim (70g per wheelset), which is meaningful for climbing builds. The Extreme Light at 390 ±10g saves a further 20g per rim. Whether the cost premium is justified depends on riding discipline — for flat or mixed terrain, the weight difference has minimal performance impact; for sustained climbs, every 50g per wheelset is measurable.\u003c\/p\u003e\u003ch3\u003eShould I use an offset rim for my road bike wheel build?\u003c\/h3\u003e\u003cp\u003eFor rear wheels on bikes with 10-speed or wider drivetrains, an offset rim is beneficial as it equalises spoke tension between drive and non-drive sides. For front wheels, a standard (symmetric) rim is typically sufficient unless a specific hub flange geometry warrants it.\u003c\/p\u003e\u003ch3\u003eWhat weight scheme do I need for climbing versus all-around riding?\u003c\/h3\u003e\u003cp\u003eFor dedicated climbing builds, the Ultralight (410g) or Extreme Light (390g) schemes minimise rotational weight. For all-around riding including training and varied terrain, the Superlight (445g) or Normal (470g) schemes offer better durability margins.\u003c\/p\u003e\u003ch3\u003eWhat tyre width is compatible with this rim?\u003c\/h3\u003e\u003cp\u003eThe 32mm inner width is compatible with 28–45mm tyres. For road use, 28–32mm tubeless tyres are optimal. The ETRTO recommended tyre-to-inner-rim width ratio of 1.0–2.5x is satisfied across this range.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"offset tubeless 38mm wide 45mm high carbon road rim,32mm inner wide,superlight,ultralight and extreme light schemes,Bola\",\n  \"description\": \"Bola 700C Offset Tubeless Carbon Road Rim — 38mm Outer \/ 32mm Inner Width, 45mm Profile The Bola 700C carbon road rim is a tubeless-ready, asymmetric (offset) rim designed for 700C road and gravel wheelbuilds. With a 38mm outer width, 32mm inner width, and 45mm profile height, it is optimised for modern 28–32mm road tyres and delivers a balance of aerodynamic efficiency and lateral stiffness. Available in four weight tiers to match rider priorities from durability to weight-weenie climbing builds. Key Specifications Parameter Value Rim Standard 700C Rim Shape Offset (asymmetric) Profile Height 45mm Outer Width 38mm Inner Width 32mm ERD 548mm Valve Hole Diameter 6.5mm (customisable) Spoke Hole Diameter 4.5mm (customisable) Assembly Hole Diameter 7.5mm (customisable) Nipple Direction (Front) 7° Nipple Direction (Rear) 5° \u0026amp; 7° (customisable) Max Rider Weight 120 kg Tyre Pressure Range 100–125 psi Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Dynamic Balance \u0026lt;3g Weight Tier Comparison Select the weight scheme that aligns with your riding discipline and build requirements: Scheme Weight per Rim Best For Normal 470 ±15g Training, everyday riding, heavier riders up to 120kg Superlight 445 ±15g All-around road racing, sportives Ultralight 410 ±10g Race-day builds, climbing-focused wheelsets Extreme Light 390 ±10g Dedicated climbing or time-trial builds; lower tolerance margin Trade-off note: Lighter schemes (Ultralight \/ Extreme Light) use reduced carbon layup. While they save 60–80g per rim versus Normal, they carry a tighter strength margin. For riders over 90kg or those riding rough road surfaces regularly, Superlight or Normal is recommended. Structural Strength Data Forward Compressive Strength: \u0026gt;300kg Lateral Torsion Resistance: \u0026gt;50kg Spoke Hole Tension: \u0026gt;280kg Why an Offset (Asymmetric) Rim? On rear wheels, drive-side spoke bracing angles are shallower than non-drive-side due to cassette offset, resulting in uneven spoke tension. An offset rim shifts the spoke bed 2–3mm toward the drive side, equalising tension across both flanges. This reduces the risk of spoke fatigue failure and improves lateral stiffness — particularly relevant on wide rims (\u0026gt;30mm inner) paired with 11- or 12-speed drivetrains. Tubeless Compatibility The rim bed is tubeless-ready with a sealed profile compatible with standard tubeless tape and valves. The 32mm inner width accommodates 28–32mm road tubeless tyres at the recommended tyre-to-rim ratio. Minimum recommended tyre width: 28mm. Customisation Options Spoke hole count: customisable on request Valve hole diameter: 6.5mm standard or customised Assembly hole diameter: 7.5mm standard or customised Nipple direction: configurable for front and rear specific builds Frequently Asked Questions Is a 32mm inner width rim good for endurance road cycling? Yes. A 32mm inner width is well-suited to endurance road cycling when paired with 28–32mm tyres. The wider bed reduces tyre sidewall deformation, allowing lower inflation pressures (100–115psi range) for improved vibration damping without sacrificing rolling efficiency. What is the difference between Superlight and Ultralight, and is it worth the extra cost? The Superlight scheme weighs 445 ±15g and suits all-around road use. 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For all-around riding including training and varied terrain, the Superlight (445g) or Normal (470g) schemes offer better durability margins. What tyre width is compatible with this rim? The 32mm inner width is compatible with 28–45mm tyres. For road use, 28–32mm tubeless tyres are optimal. 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