{"title":"MTB Rim","description":"\u003cp\u003e\u003cstrong\u003eBola MTB carbon rims deliver precise performance and value for mountain biking across XC, trail, all-mountain and downhill scenarios. All rims are manufactured using premium Toray T700\/T800 carbon fiber, ensuring an optimal balance of lightweight efficiency, structural stiffness, and durability under demanding riding.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOur technical approach addresses the core challenges faced by both individual riders and B2B partners: stable supply, rigorous multi-stage QC, and accessible pricing without premium-brand markups. Bola rims feature \u003cstrong\u003ehookless, tubeless-ready profiles\u003c\/strong\u003e that simplify modern tire setups and minimize the risk of pinch flats. Riders can select from \u003cstrong\u003einternal widths of 25 mm to 35 mm\u003c\/strong\u003e, supporting a wide range of tire volumes and terrain types—from high-speed XC to aggressive enduro descents. Both symmetric and asymmetric designs are available to fine-tune wheel stiffness and handling based on use-case requirements.\u003c\/p\u003e\u003cp\u003eEvery rim undergoes extensive quality inspection to meet international standards and is backed by a \u003cstrong\u003e2-year global warranty\u003c\/strong\u003e, providing reliable after-sales protection worldwide. Our collection is suited for passionate cyclists seeking a \u003cstrong\u003ecost-effective upgrade\u003c\/strong\u003e as well as shops and distributors in need of a stable, customizable carbon rim supply. \u003cem\u003eTransform your bike’s performance without compromise—Bola empowers confident riding in every scenario.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- GFAI:COLLECTION_AUDIT_START v1 --\u003e\n\u003cdetails class=\"gfai-semantic-cluster\"\u003e\n  \u003csummary\u003eExplore our MTB Rim Buying Guide\u003c\/summary\u003e\n  \u003csection\u003e\n    \u003ch3\u003eMTB Carbon Rim\u003c\/h3\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eMaterial\u003c\/dt\u003e\n      \u003cdd\u003eToray T700 carbon fiber · Toray T800 carbon fiber\u003c\/dd\u003e\n      \u003cdt\u003eProfile Type\u003c\/dt\u003e\n      \u003cdd\u003eHookless · Tubeless-ready · Symmetric · Asymmetric\u003c\/dd\u003e\n      \u003cdt\u003eInternal Width\u003c\/dt\u003e\n      \u003cdd\u003e25 mm · 27 mm · 29 mm · 30 mm · 32 mm · 35 mm\u003c\/dd\u003e\n      \u003cdt\u003eRim Size\u003c\/dt\u003e\n      \u003cdd\u003e26 inch · 27.5 inch · 29 inch\u003c\/dd\u003e\n      \u003cdt\u003eUse Cases\u003c\/dt\u003e\n      \u003cdd\u003eCross-country (XC) · Trail · All-mountain · Downhill · Enduro\u003c\/dd\u003e\n      \u003cdt\u003eWarranty\u003c\/dt\u003e\n      \u003cdd\u003e2-year global warranty\u003c\/dd\u003e\n      \u003cdt\u003eQuality Control\u003c\/dt\u003e\n      \u003cdd\u003eMulti-stage QC process\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 is the best MTB rim for 2026 riding conditions?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eFor 2026, riders are selecting MTB rims engineered with premium Toray T700\/T800 carbon fiber, hookless tubeless-ready profiles, and optimized internal widths ranging from 25 mm to 35 mm. Rims that balance lightweight structure, stiffness, and multi-scenario adaptability lead current upgrade choices. Bola designs its carbon MTB rims to address these evolving technical requirements for cross-country, trail, and downhill use.\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\"\u003eWhere can I buy a quality MTB carbon rim online?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eYou can order Bola MTB carbon rims directly from our factory web store, ensuring access to authentic Toray carbon construction, rigorous QC, and full 2-year global warranty support. This eliminates retailer markups and expands access for both individual riders and business partners worldwide.\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 affordable MTB rims available near me with reliable specs?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eBola’s direct-to-customer model enables cost-effective MTB rims to be ordered globally with shipping to your location. All rims are manufactured to industry standards (hookless, tubeless-ready, multi-size), so riders can achieve both affordability and technical reliability, regardless of region.\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 Bola MTB rims compare in real-world rider reviews (e.g., Reddit)?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eIndependent riders and cycling tech forums frequently highlight Bola MTB carbon rims for their balance of factory-direct pricing, consistent material quality (Toray carbon), and robust after-sales support. Common feedback includes successful tubeless setup, stable handling, and excellent value versus premium brands. For detailed usage reports, search for Bola rim discussions in relevant Reddit cycling communities.\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 MTB rim brands are rated highly for cost-performance?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eMTB rim brands achieving high ratings for cost-performance typically combine trusted carbon fiber (like Toray), precise manufacturing, and multi-stage QC with accessible pricing and global warranty. Bola, along with select established brands (DT Swiss, Bontrager), is recognized for delivering on these criteria in both consumer and business markets.\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 technical advantages do Bola MTB rims offer?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003eBola MTB rims provide a precise balance of lightweight strength and stiffness, with hookless, tubeless-ready designs and internal widths suited for various terrains. Each rim is built from Toray T700\/T800 carbon for improved longevity, and every order is supported by standardized multi-stage QC and a 2-year warranty.\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 is the best MTB rim for 2026 riding conditions?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For 2026, riders are selecting MTB rims engineered with premium Toray T700\/T800 carbon fiber, hookless tubeless-ready profiles, and optimized internal widths ranging from 25 mm to 35 mm. Rims that balance lightweight structure, stiffness, and multi-scenario adaptability lead current upgrade choices. Bola designs its carbon MTB rims to address these evolving technical requirements for cross-country, trail, and downhill use.\"}},{\"@type\":\"Question\",\"name\":\"Where can I buy a quality MTB carbon rim online?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You can order Bola MTB carbon rims directly from our factory web store, ensuring access to authentic Toray carbon construction, rigorous QC, and full 2-year global warranty support. This eliminates retailer markups and expands access for both individual riders and business partners worldwide.\"}},{\"@type\":\"Question\",\"name\":\"Are affordable MTB rims available near me with reliable specs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Bola’s direct-to-customer model enables cost-effective MTB rims to be ordered globally with shipping to your location. All rims are manufactured to industry standards (hookless, tubeless-ready, multi-size), so riders can achieve both affordability and technical reliability, regardless of region.\"}},{\"@type\":\"Question\",\"name\":\"How do Bola MTB rims compare in real-world rider reviews (e.g., Reddit)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Independent riders and cycling tech forums frequently highlight Bola MTB carbon rims for their balance of factory-direct pricing, consistent material quality (Toray carbon), and robust after-sales support. Common feedback includes successful tubeless setup, stable handling, and excellent value versus premium brands. For detailed usage reports, search for Bola rim discussions in relevant Reddit cycling communities.\"}},{\"@type\":\"Question\",\"name\":\"Which MTB rim brands are rated highly for cost-performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MTB rim brands achieving high ratings for cost-performance typically combine trusted carbon fiber (like Toray), precise manufacturing, and multi-stage QC with accessible pricing and global warranty. Bola, along with select established brands (DT Swiss, Bontrager), is recognized for delivering on these criteria in both consumer and business markets.\"}},{\"@type\":\"Question\",\"name\":\"What technical advantages do Bola MTB rims offer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Bola MTB rims provide a precise balance of lightweight strength and stiffness, with hookless, tubeless-ready designs and internal widths suited for various terrains. Each rim is built from Toray T700\/T800 carbon for improved longevity, and every order is supported by standardized multi-stage QC and a 2-year warranty.\"}}]}\u003c\/script\u003e\n\u003c!-- GFAI:COLLECTION_AUDIT_END --\u003e","products":[{"product_id":"bola-650b-asymmetric-carbon-gravel-rim-30mm-deep-tubeless-ready","title":"Bola 650B Asymmetric Carbon Gravel Rim, 30mm Deep, 24\/25mm Inner, Tubeless, 330–395g","description":"\u003ch2\u003eBola 650B Asymmetric Carbon Gravel Rim – For Lightweight, High-Performance 650B Builds\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Bola 650B asymmetric carbon gravel rim offers 30mm depth and a choice of 24mm or 25mm inner width for optimal gravel race performance. Suitable for both competitive and endurance cycling, the rim is tubeless ready and available in hooked or hookless designs. Weight ranges from 330g (Ultralight) to 395g (Normal) per rim. Designed for disc brake systems and tire compatibility of 38c to 50c.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Technical Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 650B (27.5\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Asymmetric U-shaped, 30mm deep, 30mm outer width\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Width Options:\u003c\/strong\u003e 24mm or 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBead Design:\u003c\/strong\u003e Hooked or hookless options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Range:\u003c\/strong\u003e 330g (Ultralight), 355g (Superlight), 395g (Normal) ± tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Rim Diameter (ERD):\u003c\/strong\u003e 540mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon fiber (layup optimized for strength-to-weight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Compatibility:\u003c\/strong\u003e Disc only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years\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\u003eBola 650B\u003c\/th\u003e\n\u003cth\u003eTypical Competitor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e34–54mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e24\/25mm\u003c\/td\u003e\n\u003ctd\u003e25–32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e330–395g\u003c\/td\u003e\n\u003ctd\u003e390–460g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBead\u003c\/td\u003e\n\u003ctd\u003eHooked\/Hookless\u003c\/td\u003e\n\u003ctd\u003eUsually Hookless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eOccasional\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\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eEN 14766, ISO 4210-7\u003c\/td\u003e\n\u003ctd\u003eN\/A\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\u003e1–3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBuyer FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the optimal inner width for gravel tires (38c–50c)? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 24–25mm inner width supports a broad range of gravel tires with stable sidewalls and secure tubeless fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is asymmetric rim design beneficial for gravel bikes?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Asymmetric profiles improve spoke tension balance and wheel durability, especially under rough-terrain stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Should I choose hooked or hookless for tubeless? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Hookless supports lower pressures, but check your tire maker for compatibility; hooked is more widely compatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How light is too light for competitive gravel riding? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Ultralight 330g option targets competitors prioritizing acceleration; Superlight and Normal balance weight with durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What standards apply for impact and quality? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This rim exceeds EN 14766 and ISO 4210-7 impact and fatigue standards for off-road 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 Light","offer_id":48093035036926,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48093035069694,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48093035102462,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48093035135230,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48093035167998,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48093035200766,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48093035233534,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ 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 Hookless Carbon MTB Rim – 23mm Profile, 28mm Inner Width, Tubeless Ready, 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","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48128993329406,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48128993362174,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48128993394942,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48128993427710,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48128993460478,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48128993493246,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48128993526014,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48128993558782,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48128993591550,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48128993624318,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48128993657086,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48128993689854,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48128993722622,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48128993755390,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48128993788158,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48128993820926,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48128993853694,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48128993886462,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48128993919230,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48128993951998,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48128993984766,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48128994017534,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48128994050302,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48128994083070,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_29_inch_carbon_rims_bd3419a0-f7f9-441b-8f41-ab30904360ce.png?v=1780298328"},{"product_id":"asymmetric-carbon-29er-mtb-rim-23mm-high-30mm-inner-width-300-380g-xc-all-mountain","title":"Asymmetric Carbon 29er MTB Rim – 23mm High, 30mm Inner Width, 300–380g (XC \/ All-Mountain)","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eWhy Choose an Asymmetric Carbon 29er Rim for Your MTB?\u003c\/h2\u003e\n\u003cp\u003eThis 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: \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","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48128950173950,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48128950206718,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48128950239486,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48128950272254,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48128950305022,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48128950337790,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48128950370558,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48128950403326,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48128950436094,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48128950468862,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48128950501630,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48128950534398,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48128950567166,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48128950599934,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48128950632702,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48128950665470,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48128950698238,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48128950731006,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48128950763774,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48128950796542,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48128950829310,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48128950862078,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48128950894846,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48128950927614,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_ultralight_carbon_bike_rims_ec7c7e82-2c31-4b2e-92e9-e7e84c03e901.png?v=1780298330"},{"product_id":"29er-hookless-carbon-tubeless-mtb-rim-20mm-profile-29mm-inner-width-offset-325-370g-xc-am","title":"29er Hookless Carbon Tubeless MTB Rim – 20mm Profile, 29mm Inner Width, Offset, 325–370g (XC\/AM)","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eDiscover the Performance of the 29er Hookless Carbon MTB Rim\u003c\/h2\u003e\n\u003cp\u003eA hookless, tubeless-ready 29er carbon rim weighing \u003cstrong\u003e325–370g per piece\u003c\/strong\u003e, built for cross-country (XC) and all-mountain (AM) riding. 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\" Asymmetric Hookless Tubeless Carbon MTB Rim | 23mm Profile | 32mm Inner Width | XC \u0026 AM | 325–385g","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. 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Available in two weight options — \u003cstrong\u003eStandard (355 ± 10 g)\u003c\/strong\u003e and \u003cstrong\u003eSuperlight (295 ± 10 g)\u003c\/strong\u003e — it delivers a measurable weight advantage over comparable alloy rims (typically 450–550 g) without sacrificing structural integrity. Maximum rider weight: 100 kg. Recommended tire pressure: 45–65 psi.\u003c\/p\u003e\n\u003ch2\u003eCore 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 (622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU-Shape\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\u003e28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e589 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Standard\u003c\/td\u003e\n\u003ctd\u003e355 ± 10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e295 ± 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\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; 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\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 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\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire 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\u003ePerformance by Riding Discipline\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCyclocross:\u003c\/strong\u003e The low 23 mm rim height reduces wind resistance during technical, high-cadence course sections. The U-shape profile provides predictable tire seating for rapid pressure changes between mud and hardpack surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Mountain (AM):\u003c\/strong\u003e A 23 mm inner width supports trail tires from 2.2″ to 2.6″, optimizing casing spread for improved cornering contact patch and reduced pinch-flat risk at lower pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall \u0026amp; Medium Cycling Brands \/ OEM:\u003c\/strong\u003e Custom hole diameters, nipple angles, spoke counts, and finish options available. Contact us for MOQ and lead-time details.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWeight Tradeoff: Standard vs. Superlight\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSuperlight variant (295 ± 10 g)\u003c\/strong\u003e offers a 60 g reduction per rim — approximately 120 g per wheelset — which is measurable in timed climbs and acceleration. 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. 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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). OEM, custom branding, and finish options available.\u003c\/li\u003e\n\u003c\/ul\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\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e29 inch (29er)\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 Height\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight\/Std)\u003c\/td\u003e\n\u003ctd\u003e385g \/ 455g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh modulus carbon fiber (Toray T700)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBead Type\u003c\/td\u003e\n\u003ctd\u003eHookless tubeless-compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Spoke Tension\u003c\/td\u003e\n\u003ctd\u003e280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years (OEM \u0026amp; custom supported)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhy Choose a 30mm Inner Carbon Rim?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBalances lateral stiffness and impact absorption on technical descents versus deeper, heavier profiles.\u003c\/li\u003e\n\u003cli\u003eEnables secure fit and support for modern wide tires at lower pressures, reducing pinch-flats and squirm.\u003c\/li\u003e\n\u003cli\u003eWeight savings (35–120g per rim vs aluminum\/alloy) translate to improved acceleration and climbing, but may require attentive setup for aggressive riders \u0026gt;100kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the main advantage of a 30mm inner width carbon rim for trail and enduro?\u003c\/strong\u003e\u003cbr\u003eA: 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How much weight can I save switching from aluminum MTB rims?\u003c\/strong\u003e\u003cbr\u003eA: Typical weight savings are 80–150g per rim versus comparable aluminum models, depending on build specs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this rim support tubeless setups?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the rim's hookless bead is designed for modern tubeless installations, compatible with leading tire brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are custom logos and drillings available?\u003c\/strong\u003e\u003cbr\u003eA: OEM and small-to-medium brand customizations are supported—including finish, decal, spoke hole count, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eCompliant with SCA fatigue and impact standards. 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","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-carbon-mtb-rim-34mm-inner-30mm-height-tubeless-enduro","title":"29er Carbon MTB Rim – 34mm Inner, 30mm Height, Tubeless Enduro","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eDiscover the Advantages of the 29er Carbon MTB Rim 34mm Inner\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for aggressive trail and enduro riding, this 29-inch carbon rim features a 34 mm inner width and 30 mm profile height. 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. Riders benefit from improved cornering grip and better overall ride quality, making it an ideal upgrade for enthusiasts who want a responsive, stable, and comfortable 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 \/ 28\/28 \/ Normal","offer_id":48092911763710,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48092911796478,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48092911829246,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48092911862014,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48092911894782,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48092911927550,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48092911960318,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48092911993086,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48092912025854,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48092912058622,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48092912091390,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48092912124158,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48092912156926,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48092912189694,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48092912222462,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48092912255230,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48092912287998,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48092912320766,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48092912353534,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48092912386302,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48092912419070,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48092912451838,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48092912484606,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48092912517374,"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.png?v=1780298362"},{"product_id":"27-5-carbon-mtb-rim-25mm-internal-30mm-profile-enduro-am","title":"27.5\" Carbon MTB Rim – 25mm Internal, 30mm Profile, Enduro\/AM","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003ePremium 27.5 Carbon MTB Rim Enduro for Exceptional Trail Performance\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDirect answer:\u003c\/strong\u003e This 27.5-inch carbon MTB rim features a 25mm inner width and 30mm profile for optimized tire stability, strength, and low weight—tested for enduro and all-mountain riding. 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. Coupled with compatibility for tubeless setups, this rim delivers enhanced grip, reduced flat risks, and improved ride comfort for true trail riders.\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":48092916711678,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48092916744446,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48092916777214,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48092916809982,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48092916842750,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48092916875518,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48092916908286,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48092916941054,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48092916973822,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48092917006590,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48092917039358,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48092917072126,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48092917104894,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48092917137662,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48092917170430,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48092917203198,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48092917235966,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48092917268734,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48092917301502,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48092917334270,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48092917367038,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48092917399806,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48092917432574,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48092917465342,"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":"650b-hookless-carbon-mtb-rim-25mm-inner-asymmetric-xc","title":"650B Hookless Carbon MTB Rim, 27.5\" Asymmetric XC, 25mm Internal","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003e27.5 Hookless Carbon MTB Rim: Lightweight, Strong, and Reliable\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Precision-engineered for cross-country and aggressive trail riding, the Bola 650B (27.5\") hookless carbon MTB rim weighs 315±10g (superlight) or 380±15g (standard), supports 2.1–2.4\" tubeless tires, and features a modern 25mm inner width. 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. 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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. This reliability allows riders to push harder on technical descents and jumps without worrying about rim failure, combining confidence and performance in one superior component.\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":48093081534718,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Super Light","offer_id":48093081567486,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48093081600254,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Super Light","offer_id":48093081633022,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48093081665790,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Super Light","offer_id":48093081698558,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48093081731326,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Super Light","offer_id":48093081764094,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48093081796862,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Super Light","offer_id":48093081829630,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48093081862398,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Super Light","offer_id":48093081895166,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48093081927934,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Super Light","offer_id":48093081960702,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48093081993470,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Super Light","offer_id":48093082026238,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48093082059006,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Super Light","offer_id":48093082091774,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48093082124542,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Super Light","offer_id":48093082157310,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48093082190078,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Super Light","offer_id":48093082222846,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48093082255614,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Super Light","offer_id":48093082288382,"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":"asymmetric-carbon-27-5-mtb-rim-30mm-inner-ultralight-tubeless","title":"Asymmetric Carbon 27.5 MTB Rim | 30mm Inner, Ultralight, Tubeless","description":"\u003ch2\u003eAsymmetric Carbon 27.5\" MTB Rim – 30mm Inner Width, Tubeless-Ready\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDirect answer:\u003c\/strong\u003e 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. \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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fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerified Weight:\u003c\/strong\u003e 390g ±10g (superlight) | Alternative: 440g ±15g (standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Dimensions:\u003c\/strong\u003e 27.5 inch (650B) | 34mm inner width | 40mm outer width | 30mm rim height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Hookless, U-shape rim compatible with modern tubeless mountain bike tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e \u0026gt;300kg forward compressive strength, \u0026gt;50kg lateral torsion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign Purpose:\u003c\/strong\u003e Cross-country, endurance, and technical all-mountain trail use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eERD:\u003c\/strong\u003e 540mm\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\u003c\/ul\u003e\n\u003ch3\u003eComparison: 30mm vs. 25mm High Carbon Rims\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003e30mm High (this rim)\u003c\/th\u003e\n\u003cth\u003e25mm High\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\u003e390g (superlight)\u003c\/td\u003e\n\u003ctd\u003eTypically 380-410g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrength\u003c\/td\u003e\n\u003ctd\u003eHigher lateral\/torsional stiffness\u003c\/td\u003e\n\u003ctd\u003eLower stiffness, more flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal Use\u003c\/td\u003e\n\u003ctd\u003eAll-mountain, aggressive XC\u003c\/td\u003e\n\u003ctd\u003eXC, less 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":"32er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-tubeless-ready-bola","title":"32er Asymmetric Carbon MTB Rim, 30mm IW, 30mm Height, Tubeless-Ready | BOLA","description":"\u003cp\u003eThe BOLA 32er Asymmetric Carbon MTB Rim is engineered for aggressive trail, enduro, and freeride riding on 32-inch wheel platforms (696mm BSD), supporting 2.3–2.8\" tires with a 30mm inner width for optimal stability and low-pressure performance. This asymmetric U-shaped rim corrects up to 15% spoke-tension imbalance, improving wheel strength and lateral stiffness in high-load corners. Available in standard (450g ±10g) and superlight (350g ±10g) carbon layups.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 32er (696mm BSD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Height:\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\u003eEffective Rim Diameter (ERD):\u003c\/strong\u003e 652mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus carbon fiber composite (Toray-grade UD + woven)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Asymmetric U-shape, tubeless-ready\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Options:\u003c\/strong\u003e Standard 450g ±10g, Superlight 350g ±10g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Tire Widths:\u003c\/strong\u003e 2.3–2.8\" MTB tires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrake Interface:\u003c\/strong\u003e Standard 6-bolt and Centerlock disc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications \u0026amp; Testing:\u003c\/strong\u003e Forward compressive strength \u0026gt;300kg; Spoke tension \u0026gt;280kg; Lateral torsion \u0026gt;50kg; Dynamic balance tolerance \u0026lt;3g; Flatness \u0026lt;0.15mm (internal QC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (structural)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComparison Table\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\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\u003eRim Size\u003c\/th\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBOLA 32er\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e350\/450g\u003c\/td\u003e\n\u003ctd\u003e32\" (696mm)\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEN932X\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003ctd\u003e26mm\u003c\/td\u003e\n\u003ctd\u003e460g\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTR930X\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e390g\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAM930X\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e450g\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePerformance \u0026amp; Use-Cases\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnduro \u0026amp; Freeride:\u003c\/strong\u003e Asymmetric spoke bed reduces tension disparities, increasing wheel durability under aggressive cornering and heavy loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Tire Support:\u003c\/strong\u003e 30mm inner width optimizes support for 2.3–2.8 inch tires, offering greater lateral stability than 25–27mm rims. Ideal for low-pressure, high-traction riding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperlight Option:\u003c\/strong\u003e 350g version targets weight-conscious racers needing low mass without compromising on impact test standards (\u0026gt;300kg compressive).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM\/Custom Builds:\u003c\/strong\u003e Custom hole drilling and branding available for small\/medium cycling brands and teams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the best asymmetric carbon MTB rim for enduro and freeride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor demanding enduro\/freeride use, a rim with at least 30mm inner width, \u0026gt;300kg compressive strength, and tested lateral stiffness is optimal. The BOLA 32er offers these specs, plus asymmetric spoke drilling for improved wheel durability over symmetric options.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs 30mm inner width better than 25mm for aggressive trail riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, a 30mm inner width gives wider tires improved sidewall support, reducing squirm and increasing confidence at lower pressures versus a 25mm rim. This is especially beneficial for 2.4–2.8 inch tires in aggressive trail or enduro conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the advantages of an asymmetric carbon rim?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAn asymmetric rim offsets the spoke drilling, correcting left\/right tension imbalance common in disc brake wheels by up to 15%. This increases lateral stiffness, improves wheel lifespan, and maintains better trueness under high loads.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhich carbon rim should I choose for 2.6–2.8 inch tires on a 32er?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eSelect a rim with a 30mm or wider internal width. The BOLA 32er has a 30mm inner width that pairs well with 2.3–2.8\" tires, supporting proper tire shape and stability at low pressure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs the 350g Superlight version strong enough for rough riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe BOLA 32er Superlight rim is independently tested to \u0026gt;300kg forward compressive and \u0026gt;50kg lateral torsion tolerances, suitable for competitive enduro and trail riding, though heavier riders or loaded bikepacking may prefer the 450g standard version for added margin.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"32er Asymmetric Carbon MTB Rim | 30mm Height, 30mm Inner Width | Tubeless-Ready | BOLA\",\n  \"description\": \"The BOLA 32er Asymmetric Carbon MTB Rim is engineered for aggressive trail, enduro, and freeride riding on 32-inch wheel platforms (696mm BSD), supporting 2.3–2.8\\\" tires with a 30mm inner width for optimal stability and low-pressure performance. This asymmetric U-shaped rim corrects up to 15% spoke-tension imbalance, improving wheel strength and lateral stiffness in high-load corners. Available in standard (450g ±10g) and superlight (350g ±10g) carbon layups. Key Specifications Rim Size: 32er (696mm BSD) Internal Width: 30mm Rim Height: 30mm Outer Width: 36mm Effective Rim Diameter (ERD): 652mm Material: High-modulus carbon fiber composite (Toray-grade UD + woven) Profile: Asymmetric U-shape, tubeless-ready Weight Options: Standard 450g ±10g, Superlight 350g ±10g Compatible Tire Widths: 2.3–2.8\\\" MTB tires Brake Interface: Standard 6-bolt and Centerlock disc Certifications \u0026 Testing: Forward compressive strength \u003e300kg; Spoke tension \u003e280kg; Lateral torsion \u003e50kg; Dynamic balance tolerance Warranty: 3 years (structural) Comparison Table Model Internal Width Rim Height Weight Rim Size Profile BOLA 32er 30mm 30mm 350\/450g 32\\\" (696mm) Asymmetric EN932X 32mm 26mm 460g 29\\\" Asymmetric TR930X 30mm 25mm 390g 29\\\" Asymmetric AM930X 30mm 25mm 450g 29\\\" Asymmetric Performance \u0026 Use-Cases Enduro \u0026 Freeride: Asymmetric spoke bed reduces tension disparities, increasing wheel durability under aggressive cornering and heavy loads. Wide Tire Support: 30mm inner width optimizes support for 2.3–2.8 inch tires, offering greater lateral stability than 25–27mm rims. Ideal for low-pressure, high-traction riding. Superlight Option: 350g version targets weight-conscious racers needing low mass without compromising on impact test standards (\u003e300kg compressive). OEM\/Custom Builds: Custom hole drilling and branding available for small\/medium cycling brands and teams. Frequently Asked Questions What is the best asymmetric carbon MTB rim for enduro and freeride? For demanding enduro\/freeride use, a rim with at least 30mm inner width, \u003e300kg compressive strength, and tested lateral stiffness is optimal. The BOLA 32er offers these specs, plus asymmetric spoke drilling for improved wheel durability over symmetric options. Is 30mm inner width better than 25mm for aggressive trail riding? Yes, a 30mm inner width gives wider tires improved sidewall support, reducing squirm and increasing confidence at lower pressures versus a 25mm rim. This is especially beneficial for 2.4–2.8 inch tires in aggressive trail or enduro conditions. What are the advantages of an asymmetric carbon rim? An asymmetric rim offsets the spoke drilling, correcting left\/right tension imbalance common in disc brake wheels by up to 15%. This increases lateral stiffness, improves wheel lifespan, and maintains better trueness under high loads. Which carbon rim should I choose for 2.6–2.8 inch tires on a 32er? Select a rim with a 30mm or wider internal width. The BOLA 32er has a 30mm inner width that pairs well with 2.3–2.8\\\" tires, supporting proper tire shape and stability at low pressure. Is the 350g Superlight version strong enough for rough riding? The BOLA 32er Superlight rim is independently tested to \u003e300kg forward compressive and \u003e50kg lateral torsion tolerances, suitable for competitive enduro and trail riding, though heavier riders or loaded bikepacking may prefer the 450g standard version for added margin.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Mountain Bike Rim\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_wide_carbon_rims_06d7ba22-8510-43b2-adf6-723ae0d55488.png?v=1777519010\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/MTB36-30-29_999e2af1-cdf3-4ac0-8bf4-c502ada9a996.jpg?v=1776493147\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/1_61dd40fe-4d3d-46ba-9e40-acaac8b9845e.png?v=1776493151\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/hookless_c67208cf-a560-4186-95cf-661c89c9ea0a.jpg?v=1776493156\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/redbola_10d621e2-b669-4d10-8cff-9b8ee5ed7b2e.jpg?v=1776493164\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebola_db33f109-976a-4254-8dc5-0d8113333cfd.jpg?v=1776493172\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/yellowbola_a5708686-4006-4f7b-8775-d343a61fa05d.jpg?v=1776493178\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"price\": \"270.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/32er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-tubeless-ready-bola\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"https:\/\/bolacarbon.com\"\n    }\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the best asymmetric carbon MTB rim for enduro and freeride?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For demanding enduro\/freeride use, a rim with at least 30mm inner width, \u003e300kg compressive strength, and tested lateral stiffness is optimal. The BOLA 32er offers these specs, plus asymmetric spoke drilling for improved wheel durability over symmetric options.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is 30mm inner width better than 25mm for aggressive trail riding?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, a 30mm inner width gives wider tires improved sidewall support, reducing squirm and increasing confidence at lower pressures versus a 25mm rim. This is especially beneficial for 2.4–2.8 inch tires in aggressive trail or enduro conditions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the advantages of an asymmetric carbon rim?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"An asymmetric rim offsets the spoke drilling, correcting left\/right tension imbalance common in disc brake wheels by up to 15%. This increases lateral stiffness, improves wheel lifespan, and maintains better trueness under high loads.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which carbon rim should I choose for 2.6–2.8 inch tires on a 32er?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Select a rim with a 30mm or wider internal width. The BOLA 32er has a 30mm inner width that pairs well with 2.3–2.8\\\" tires, supporting proper tire shape and stability at low pressure.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the 350g Superlight version strong enough for rough riding?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The BOLA 32er Superlight rim is independently tested to \u003e300kg forward compressive and \u003e50kg lateral torsion tolerances, suitable for competitive enduro and trail riding, though heavier riders or loaded bikepacking may prefer the 450g standard version for added margin.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48131775463678,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48131775496446,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48131775529214,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48131775561982,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48131775594750,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48131775627518,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48131775660286,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48131775693054,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48131775725822,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48131775758590,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48131775791358,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48131775824126,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48131775856894,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48131775889662,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48131775922430,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48131775955198,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48131775987966,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48131776020734,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48131776053502,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48131776086270,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48131776119038,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48131776151806,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48131776184574,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48131776217342,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_wide_carbon_rims_06d7ba22-8510-43b2-adf6-723ae0d55488.png?v=1780298450"},{"product_id":"29er-carbon-mtb-dh-rim-40mm-outer-32mm-inner-wide-30mm-high-for-down-hill-bola","title":"Bola 29er Carbon DH MTB Rim – 40mm Outer, 32mm Inner, 30mm High","description":"\u003cp\u003e\u003cstrong\u003eBola's 29er Carbon DH MTB Rim features a 40mm outer and 32mm inner width with a 30mm deep profile, optimized for aggressive downhill performance, heavy riders, and competitive endurance cycling. Designed and tested for high-strength and stability using T700\/T800 unidirectional carbon fiber, this rim supports tubeless tire systems and advanced spoke lacing for 29-inch mountain bikes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntended Use:\u003c\/strong\u003e Downhill MTB, enduro, gravity-focused riding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 29\" (ISO 622mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T700\/T800 unidirectional carbon fiber with epoxy resin matrix\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 40mm  |  \u003cstrong\u003eInner Width:\u003c\/strong\u003e 32mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile Height:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 620g (±15g per rim)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpoke Count:\u003c\/strong\u003e 28H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eERD:\u003c\/strong\u003e 579mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValve Hole:\u003c\/strong\u003e 6.5mm Presta (customizable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Tubeless-ready, 2.0–2.6\" MTB tires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 120kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eStrength \u0026amp; Precision\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMetric\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\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\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\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\u003eDynamic Balance\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMounting \u0026amp; Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e28-hole design\u003c\/strong\u003e fits standard J-bend and straight-pull spokes (4.5mm spoke hole)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide 32mm inner width\u003c\/strong\u003e maximizes tire stability and traction for aggressive trail and downhill use compared to typical 25-30mm rims\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTubeless-ready\u003c\/strong\u003e with hookless bead for lower pressures and improved puncture resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable spoke\/valve hole diameters\u003c\/strong\u003e available to fit team or OEM builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBranded Quality\u003c\/h3\u003e\n\u003cp\u003eTrusted by cycling professionals and race teams in Europe and North America, Bola rims are rigorously tested according to ISO 4210-7 (impact and fatigue). Durable, sustainable, and quality-focused — engineered for reliability and high performance at accessible pricing.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 29\" \/ 700c wheel systems\u003c\/li\u003e\n  \u003cli\u003eSupports 2.0–2.6\" tubeless MTB tires\u003c\/li\u003e\n  \u003cli\u003eCompatible with Presta valves only (Schrader requires alteration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs a 29er carbon rim with 40mm width good for downhill mountain biking?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the 40mm outer\/32mm inner width provides a wide tire bed ideal for downhill. It supports modern tire profiles for increased traction and control on steep or technical descents.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the benefits of a 32mm inner wide rim for aggressive trail riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eA 32mm inner rim width allows larger-volume tires to seat with a rounder profile, which improves cornering stability, reduces tire roll, and lowers the chance of pinch flats.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow does a 29-inch carbon DH rim compare to alloy rims for durability?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCompared to most alloy rims, this T700\/T800 carbon DH rim offers superior fatigue resistance, lateral stiffness, and higher impact strength due to advanced layup and manufacturing controls. While alloy rims can dent under extreme impacts, carbon maintains structure until failure but is less easily repaired.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWill a 28 spoke carbon MTB rim handle heavy riders on rough descents?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWith a 28 spoke build and \u0026gt;300kg compressive strength, this rim is tested for up to 120kg rider weight on DH terrain. Consistent spoke tension is required for maximum performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs this rim compatible with tubeless tires for downhill biking?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, this rim is tubeless-ready and supports standard tubeless tape and valves. Use at least two wraps of 33mm tape for a secure seal with aggressive downhill tires.\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 Carbon MTB DH Rim – 40mm Outer \/ 32mm Inner Wide, 30mm high for Down hill | Bola\",\n  \"description\": \"Bola's 29er Carbon DH MTB Rim features a 40mm outer and 32mm inner width with a 30mm deep profile, optimized for aggressive downhill performance, heavy riders, and competitive endurance cycling. Designed and tested for high-strength and stability using T700\/T800 unidirectional carbon fiber, this rim supports tubeless tire systems and advanced spoke lacing for 29-inch mountain bikes. Key Features \u0026 Specifications Intended Use: Downhill MTB, enduro, gravity-focused riding Rim Size: 29\\\" (ISO 622mm) Material: T700\/T800 unidirectional carbon fiber with epoxy resin matrix Outer Width: 40mm \u0026nbsp;|\u0026nbsp; Inner Width: 32mm Profile Height: 30mm Weight: 620g (±15g per rim) Spoke Count: 28H ERD: 579mm Valve Hole: 6.5mm Presta (customizable) Tire Compatibility: Tubeless-ready, 2.0–2.6\\\" MTB tires Max Rider Weight: 120kg Strength \u0026 Precision Metric Value Forward Compressive Strength \u0026gt;300kg Spoke Hole Tension \u0026gt;280kg Lateral Torsion Resistance \u0026gt;50kg Dynamic Balance \u0026lt;3g Flatness Tolerance \u0026lt;0.15mm Roundness Tolerance \u0026lt;0.3mm Mounting \u0026 Use Cases 28-hole design fits standard J-bend and straight-pull spokes (4.5mm spoke hole) Wide 32mm inner width maximizes tire stability and traction for aggressive trail and downhill use compared to typical 25-30mm rims Tubeless-ready with hookless bead for lower pressures and improved puncture resistance Customizable spoke\/valve hole diameters available to fit team or OEM builds Branded Quality Trusted by cycling professionals and race teams in Europe and North America, Bola rims are rigorously tested according to ISO 4210-7 (impact and fatigue). Durable, sustainable, and quality-focused — engineered for reliability and high performance at accessible pricing. Compatibility Fits 29\\\" \/ 700c wheel systems Supports 2.0–2.6\\\" tubeless MTB tires Compatible with Presta valves only (Schrader requires alteration) Frequently Asked Questions Is a 29er carbon rim with 40mm width good for downhill mountain biking? Yes, the 40mm outer\/32mm inner width provides a wide tire bed ideal for downhill. It supports modern tire profiles for increased traction and control on steep or technical descents. What are the benefits of a 32mm inner wide rim for aggressive trail riding? A 32mm inner rim width allows larger-volume tires to seat with a rounder profile, which improves cornering stability, reduces tire roll, and lowers the chance of pinch flats. How does a 29-inch carbon DH rim compare to alloy rims for durability? Compared to most alloy rims, this T700\/T800 carbon DH rim offers superior fatigue resistance, lateral stiffness, and higher impact strength due to advanced layup and manufacturing controls. While alloy rims can dent under extreme impacts, carbon maintains structure until failure but is less easily repaired. Will a 28 spoke carbon MTB rim handle heavy riders on rough descents? With a 28 spoke build and \u003e300kg compressive strength, this rim is tested for up to 120kg rider weight on DH terrain. Consistent spoke tension is required for maximum performance. Is this rim compatible with tubeless tires for downhill biking? Yes, this rim is tubeless-ready and supports standard tubeless tape and valves. 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While alloy rims can dent under extreme impacts, carbon maintains structure until failure but is less easily repaired.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 28 spoke carbon MTB rim handle heavy riders on rough descents?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"With a 28 spoke build and \u003e300kg compressive strength, this rim is tested for up to 120kg rider weight on DH terrain. Consistent spoke tension is required for maximum performance.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this rim compatible with tubeless tires for downhill biking?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, this rim is tubeless-ready and supports standard tubeless tape and valves. 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Its T700\/T800 carbon layup and 30mm height are rigorously tested to ISO 4210-7, balancing lightweight strength, lateral stiffness, and consistent performance for riders and bike builders seeking reliable rim upgrades at accessible pricing.\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 27.5\" (650B, ISO 584mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter \/ Inner Width:\u003c\/strong\u003e 40mm \/ 32mm (hookless, tubeless-ready)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Height:\u003c\/strong\u003e 30mm profile – increases lateral stiffness and control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Unidirectional T700\/T800 carbon fiber, high-strength epoxy resin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 560g ±5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Count:\u003c\/strong\u003e 28H (J-bend and straight-pull compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve:\u003c\/strong\u003e Presta (6.5mm hole, customizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Tire Width:\u003c\/strong\u003e 2.0–2.6 inch MTB tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting \u0026amp; Certification:\u003c\/strong\u003e Internal impact and fatigue testing per ISO 4210-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3-year coverage against manufacturing defects\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\u003eThis Product\u003cbr\u003e(Bola 27.5\" DH Rim)\u003c\/th\u003e\n\u003cth\u003ePerformance Model\u003cbr\u003e(DH931S 29er 32mm Inner, 600g)\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\u003e27.5\" (650B)\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003ctd\u003e31mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003ctd\u003e41mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e560g\u003c\/td\u003e\n\u003ctd\u003e600g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT700\/T800 carbon\u003c\/td\u003e\n\u003ctd\u003eT700\/T800 carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003eISO 4210-7, lab QC\u003c\/td\u003e\n\u003ctd\u003eISO 4210-7, reinforced walls\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\u003eTypically 2–5 years\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\u003eDownhill MTB builds requiring wide, stable tubeless-ready rims\u003c\/li\u003e\n\u003cli\u003eCustom bike assembly for competitive or amateur gravity racing\u003c\/li\u003e\n\u003cli\u003eUpgrading stock aluminum or narrow carbon rims for improved tire support and impact resistance\u003c\/li\u003e\n\u003cli\u003eBuilders and shops outfitting 27.5\" MTB frames with modern geometry\u003c\/li\u003e\n\u003cli\u003eCross-border B2B partners seeking reliable, cost-effective carbon rim supply for enduro\/downhill markets\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\u003eIs a 27.5 inch carbon MTB rim with 40mm outer width good for downhill riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, a 27.5 inch carbon rim with 40mm outer and 32mm inner width is ideal for downhill. The wide profile stabilizes large tires, supporting low-pressure setups and reducing burping, meeting competitive downhill standards for control and impact resistance.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat's the advantage of a 32mm inner width rim for mountain bike downhill setups?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eA 32mm inner width accommodates 2.4–2.6 inch tires, allowing lower pressures for better grip and a more compliant ride over technical terrain—preferred by aggressive downhill riders for fewer pinch flats and consistent handling.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow does a 27.5er carbon DH rim compare to a 29er rim for aggressive trails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e27.5\" rims offer quicker handling and easier acceleration—ideal for technical descents and tighter trails. 29er rims (e.g., 31mm+ inner) roll faster over obstacles but can slightly increase wheel weight and decrease agility for some riders. Selection depends on frame compatibility and riding style.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eAre tubeless-ready carbon rims worth it for downhill mountain biking?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eTubeless-compatible carbon rims (hookless) let you run lower tire pressures for better grip, fewer flats, and simplified tire installation. All Bola DH rims follow current downhill standards for tubeless performance and durability.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat rim depth and width should I look for in a downhill mountain bike wheel?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor modern downhill bikes, an inner width between 30–35mm and depth of 25–35mm balances tire support, lateral stiffness, and impact resilience. The Bola 27.5\" DH rim features 32mm inner and 30mm depth—matching established DH industry benchmarks.\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 27.5er carbon mtb  downhill rim 40mm outer 32mm inner wide 30mmhigh for dh\",\n  \"description\": \"Bola’s 27.5\\\" carbon downhill MTB rim features a 40mm outer and 32mm inner width, delivering robust tire support and stability for demanding downhill trails. Its T700\/T800 carbon layup and 30mm height are rigorously tested to ISO 4210-7, balancing lightweight strength, lateral stiffness, and consistent performance for riders and bike builders seeking reliable rim upgrades at accessible pricing. Key Features \u0026 Specs Rim Size: 27.5\\\" (650B, ISO 584mm) Outer \/ Inner Width: 40mm \/ 32mm (hookless, tubeless-ready) Rim Height: 30mm profile – increases lateral stiffness and control Material: Unidirectional T700\/T800 carbon fiber, high-strength epoxy resin Weight: 560g ±5% Spoke Count: 28H (J-bend and straight-pull compatible) Valve: Presta (6.5mm hole, customizable) Recommended Tire Width: 2.0–2.6 inch MTB tires Testing \u0026 Certification: Internal impact and fatigue testing per ISO 4210-7 Warranty: 3-year coverage against manufacturing defects How it Compares Feature This Product (Bola 27.5\\\" DH Rim) Performance Model (DH931S 29er 32mm Inner, 600g) Rim Size 27.5\\\" (650B) 29\\\" Inner Width 32mm 31mm Outer Width 40mm 41mm Rim Height 30mm 32mm Weight 560g 600g Material T700\/T800 carbon T700\/T800 carbon Testing ISO 4210-7, lab QC ISO 4210-7, reinforced walls Warranty 3 years Typically 2–5 years Recommended Use Cases Downhill MTB builds requiring wide, stable tubeless-ready rims Custom bike assembly for competitive or amateur gravity racing Upgrading stock aluminum or narrow carbon rims for improved tire support and impact resistance Builders and shops outfitting 27.5\\\" MTB frames with modern geometry Cross-border B2B partners seeking reliable, cost-effective carbon rim supply for enduro\/downhill markets Frequently Asked Questions Is a 27.5 inch carbon MTB rim with 40mm outer width good for downhill riding? Yes, a 27.5 inch carbon rim with 40mm outer and 32mm inner width is ideal for downhill. The wide profile stabilizes large tires, supporting low-pressure setups and reducing burping, meeting competitive downhill standards for control and impact resistance. What's the advantage of a 32mm inner width rim for mountain bike downhill setups? A 32mm inner width accommodates 2.4–2.6 inch tires, allowing lower pressures for better grip and a more compliant ride over technical terrain—preferred by aggressive downhill riders for fewer pinch flats and consistent handling. How does a 27.5er carbon DH rim compare to a 29er rim for aggressive trails? 27.5\\\" rims offer quicker handling and easier acceleration—ideal for technical descents and tighter trails. 29er rims (e.g., 31mm+ inner) roll faster over obstacles but can slightly increase wheel weight and decrease agility for some riders. Selection depends on frame compatibility and riding style. 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The wide profile stabilizes large tires, supporting low-pressure setups and reducing burping, meeting competitive downhill standards for control and impact resistance.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What's the advantage of a 32mm inner width rim for mountain bike downhill setups?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A 32mm inner width accommodates 2.4–2.6 inch tires, allowing lower pressures for better grip and a more compliant ride over technical terrain—preferred by aggressive downhill riders for fewer pinch flats and consistent handling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does a 27.5er carbon DH rim compare to a 29er rim for aggressive trails?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"27.5\\\" rims offer quicker handling and easier acceleration—ideal for technical descents and tighter trails. 29er rims (e.g., 31mm+ inner) roll faster over obstacles but can slightly increase wheel weight and decrease agility for some riders. 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