{"title":"700C 28mm","description":"\u003cp data-mce-fragment=\"1\"\u003e700C size carbon rim,most for disc brake rim brake optional,apply for road,grave,time trial etc \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e28mm outer wide,21mm inner wide  is compatible tire size from 25C to 43C\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eToray T700 with stable resin,complete hand made product,100% quality check by auto machine for the stable quality.More models and weave option etc for your OEM projects\u003c\/p\u003e","products":[{"product_id":"700c-carbon-road-rim-40mm-deep-28mm-wide-tubeless-hooked-hookless","title":"700c Carbon Road Rim 40mm Deep | 28mm Wide Tubeless (Hooked\/Hookless)","description":"\u003ch2\u003e700c Carbon Road Rim, 40mm Depth, 28mm Outer, 21mm Inner – Tubeless, Hooked or Hookless\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e \u003cbr\u003eThis 700c carbon road rim features a 40mm aerodynamic depth, 28mm external width, and 21mm internal width, supporting both hooked and hookless tubeless tire setups. Choose from standard (425g), superlight (390g), or ultralight (365g) construction for your ideal strength-to-weight balance. Designed for modern endurance and race applications, this U-shape profile rim optimizes rolling resistance, compliance, and high-speed stability for 28–32mm wide road tires.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eKey Specifications\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRim Size: 700c (ISO 622mm)\u003c\/li\u003e\n\u003cli\u003eRim Depth: 40mm\u003c\/li\u003e\n\u003cli\u003eExternal Width: 28mm\u003c\/li\u003e\n\u003cli\u003eInternal Width: 21mm\u003c\/li\u003e\n\u003cli\u003eProfile: U-shape, aerodynamic\u003c\/li\u003e\n\u003cli\u003eTypical Weights: Standard (425g ± 15g), Superlight (390g ± 10g), Ultralight (365g ± 10g)\u003c\/li\u003e\n\u003cli\u003eE.R.D.: 559mm\u003c\/li\u003e\n\u003cli\u003eMaximum Rider Weight: 120kg\u003c\/li\u003e\n\u003cli\u003eCompressive Strength: \u0026gt;300kg\u003c\/li\u003e\n\u003cli\u003eDisc Brake Compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComparison Table – Weight Options\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTier\u003c\/th\u003e\n\u003cth\u003eApprox. Weight\u003c\/th\u003e\n\u003cth\u003eUse Case\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e425g\u003c\/td\u003e\n\u003ctd\u003eAll-round racing, durability focus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e390g\u003c\/td\u003e\n\u003ctd\u003eClimbing, reduced mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e365g\u003c\/td\u003e\n\u003ctd\u003eMaximum weight savings for competitive racing (trade-off: lower impact tolerance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCertifications, Testing \u0026amp; Materials\u003c\/h3\u003e\u003cp\u003eConstructed using high-tensile carbon fiber, subjected to industry-standard ISO impact and compressive testing for safety and longevity. Meets EN 14781 safety requirements for racing rims. \u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is a 28mm wide, 40mm deep carbon rim suitable for endurance cycling?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 28mm external width and 21mm internal width pair optimally with 28–32mm tires for reduced rolling resistance, improved grip, and better comfort for endurance and mixed-condition racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the benefit of tubeless hookless versus hooked setup?\u003c\/strong\u003e\u003cbr\u003eA: Hookless rims offer slightly lower weight and easier manufacturing compliance with tubeless tires, but require compatible tubeless tire models (per ETRTO 2023, max 5 bar \/ 72 psi for hookless). Hooked rims accept a wider range of tire brands and pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are these rims compatible with disc brakes?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Designed for modern disc brake systems with reinforced spoke beds for reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What tires are recommended for a 21mm inner width rim?\u003c\/strong\u003e\u003cbr\u003eA: 28mm–32mm wide road tubeless tires provide optimal aerodynamic and ride quality performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRelevant Standards\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: High-modulus carbon fiber (ISO\/EN tested)\u003c\/li\u003e\n\u003cli\u003eRider Weight Limit: 120kg\u003c\/li\u003e\n\u003cli\u003eTubeless Standards: ETRTO 2023\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\": \"700c Carbon Road Rim 40mm – 28mm Wide, 21mm Inner, Tubeless Hook or Hookless\",\n  \"description\": \"700c Carbon Road Rim, 40mm Depth, 28mm Outer, 21mm Inner – Tubeless, Hooked or Hookless Overview: This 700c carbon road rim features a 40mm aerodynamic depth, 28mm external width, and 21mm internal width, supporting both hooked and hookless tubeless tire setups. Choose from standard (425g), superlight (390g), or ultralight (365g) construction for your ideal strength-to-weight balance. Designed for modern endurance and race applications, this U-shape profile rim optimizes rolling resistance, compliance, and high-speed stability for 28–32mm wide road tires. Key Specifications : Rim Size: 700c (ISO 622mm) Rim Depth: 40mm External Width: 28mm Internal Width: 21mm Profile: U-shape, aerodynamic Typical Weights: Standard (425g ± 15g), Superlight (390g ± 10g), Ultralight (365g ± 10g) E.R.D.: 559mm Maximum Rider Weight: 120kg Compressive Strength: \u0026gt;300kg Disc Brake Compatible Comparison Table – Weight Options Tier Approx. Weight Use Case Standard 425g All-round racing, durability focus Superlight 390g Climbing, reduced mass Ultralight 365g Maximum weight savings for competitive racing (trade-off: lower impact tolerance) Certifications, Testing \u0026 Materials Constructed using high-tensile carbon fiber, subjected to industry-standard ISO impact and compressive testing for safety and longevity. Meets EN 14781 safety requirements for racing rims. Frequently Asked Questions Q: Is a 28mm wide, 40mm deep carbon rim suitable for endurance cycling? A: Yes. The 28mm external width and 21mm internal width pair optimally with 28–32mm tires for reduced rolling resistance, improved grip, and better comfort for endurance and mixed-condition racing. Q: What is the benefit of tubeless hookless versus hooked setup? A: Hookless rims offer slightly lower weight and easier manufacturing compliance with tubeless tires, but require compatible tubeless tire models (per ETRTO 2023, max 5 bar \/ 72 psi for hookless). Hooked rims accept a wider range of tire brands and pressures. Q: Are these rims compatible with disc brakes? A: Yes. Designed for modern disc brake systems with reinforced spoke beds for reliable performance. Q: What tires are recommended for a 21mm inner width rim? A: 28mm–32mm wide road tubeless tires provide optimal aerodynamic and ride quality performance. 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The 30mm deep U-shape profile and 28mm outer width support improved tire interface and stability, while the asymmetric drilling corrects spoke tension differences common in cassette-side dished wheels. Each rim is crafted from premium unidirectional carbon fiber in a matte black finish, resulting in a verified rim weight of 285 ±10g (standard build: 305 ±15g).\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Standard\u003c\/td\u003e\n\u003ctd\u003e700C (ISO 622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Type\u003c\/td\u003e\n\u003ctd\u003eTubular, U-shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAsymmetry\u003c\/td\u003e\n\u003ctd\u003eFront 7°, Rear 5° \u0026amp; 7° spoke offset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Rim Diameter (ERD)\u003c\/td\u003e\n\u003ctd\u003e578mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e285 ±10g (superlight) \/ 305 ±15g (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Tension Max\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kgf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e125psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003ePerformance \u0026amp; Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptimized for road racing, climbing, and endurance rides—ideal for high-performance wheel builds\u003c\/li\u003e\n\u003cli\u003eAsymmetric drilling balances spoke tension for increased long-term durability, especially in modern cassette-equipped rear wheels\u003c\/li\u003e\n\u003cli\u003eSuperlight construction reduces rotational mass, aiding in quick acceleration and responsive climbing\u003c\/li\u003e\n\u003cli\u003eFits 23–28C tubular tires. See size guide for compatibility with common tire models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Is a 30mm deep carbon rim versatile for both climbing and flat sections?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A 30mm depth strikes an aerodynamic and weight balance, making it suitable for varied race profiles—climbs and fast flats.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Why choose asymmetric over symmetric carbon rims?\u003c\/strong\u003e\u003cbr\u003eA: Asymmetric designs help equalize left-right spoke tension, minimizing stress and extending wheel life—especially in rear wheels with cassette offset.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the typical weight for a superlight tubular carbon road rim?\u003c\/strong\u003e\u003cbr\u003eA: Industry norms range 280–350g for high-end tubular road rims. Bola’s verified 285g is among the lightest documented for 700C\/30mm depth options.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Tubular vs. clincher carbon rims—which for road racing?\u003c\/strong\u003e\u003cbr\u003eA: Tubular carbon rims remain preferred for elite racing due to lower weight and better ride feel, though clinchers provide convenience. Bola’s tubular is aimed at performance-focused use.\u003c\/p\u003e\u003ch3\u003eCompliance \u0026amp; Quality\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufactured to ISO 4210-7 standards for bicycle safety\u003c\/li\u003e\n\u003cli\u003e100% QC tested—layup, impact, and tension verification\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e10+ years serving cycling brands and teams across Europe and North America.\u003c\/em\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Bola 700C Asymmetric Tubular Carbon Road Rim – 30mm Deep, 28mm Wide, 285g Superlight\",\n  \"description\": \"Bola 700C Asymmetric Tubular Carbon Road Rim Overview Designed for professional teams, custom builders, and competitive cyclists, the Bola 700C asymmetric tubular carbon road rim offers a blend of aerodynamic efficiency, weight savings, and balanced spoke tension. The 30mm deep U-shape profile and 28mm outer width support improved tire interface and stability, while the asymmetric drilling corrects spoke tension differences common in cassette-side dished wheels. Each rim is crafted from premium unidirectional carbon fiber in a matte black finish, resulting in a verified rim weight of 285 ±10g (standard build: 305 ±15g). Key Specifications Parameter Value Rim Standard 700C (ISO 622mm BSD) Rim Type Tubular, U-shape Asymmetry Front 7°, Rear 5° \u0026amp; 7° spoke offset Rim Depth 30mm Outer Width 28mm Effective Rim Diameter (ERD) 578mm Weight 285 ±10g (superlight) \/ 305 ±15g (standard) Spoke Tension Max \u0026gt;280kgf Max Tire Pressure 125psi Rider Weight Limit 100kg Performance \u0026amp; Use Cases Optimized for road racing, climbing, and endurance rides—ideal for high-performance wheel builds Asymmetric drilling balances spoke tension for increased long-term durability, especially in modern cassette-equipped rear wheels Superlight construction reduces rotational mass, aiding in quick acceleration and responsive climbing Fits 23–28C tubular tires. See size guide for compatibility with common tire models. FAQs Q: Is a 30mm deep carbon rim versatile for both climbing and flat sections? A: Yes. A 30mm depth strikes an aerodynamic and weight balance, making it suitable for varied race profiles—climbs and fast flats. Q: Why choose asymmetric over symmetric carbon rims? A: Asymmetric designs help equalize left-right spoke tension, minimizing stress and extending wheel life—especially in rear wheels with cassette offset. Q: What is the typical weight for a superlight tubular carbon road rim? A: Industry norms range 280–350g for high-end tubular road rims. Bola’s verified 285g is among the lightest documented for 700C\/30mm depth options. Q: Tubular vs. clincher carbon rims—which for road racing? A: Tubular carbon rims remain preferred for elite racing due to lower weight and better ride feel, though clinchers provide convenience. Bola’s tubular is aimed at performance-focused use. 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Tested to resist \u0026gt;300kg frontal load, per ISO standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 350g ultralight rim reliable for daily use?\u003c\/strong\u003e\u003cbr\u003eYes. All weight classes meet the same compressive and torsional strength standards. The 350g rim is ideal for competition and light riders, while the 430g rim offers extra durability for heavier use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm vs 45mm: which is better for climbing?\u003c\/strong\u003e\u003cbr\u003eThe 40mm rim is lighter, ideal for climbing and fast accelerations. The 45mm rim offers marginally better aerodynamic performance for flat or rolling terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy choose a 22mm internal width?\u003c\/strong\u003e\u003cbr\u003eThis improves tire stability, allows for lower tire pressures, and offers better grip and comfort for 25–32mm modern road tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShould I choose superlight or ultralight for road racing?\u003c\/strong\u003e\u003cbr\u003eIf maximizing climbing speed is the priority and your total system weight is low, ultralight (370g) is optimal. 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fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 55mm or 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 28mm outer, 22mm inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Wavy U-shape, optimized for aerodynamics and crosswind stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Four grades (Standard 515g, Superlight 475g, Ultralight 450g, Extreme Light 415g), +\/- tolerance per tier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Tension:\u003c\/strong\u003e Up to 300kg; recommended assembly \u0026gt;280kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRider Weight Limit:\u003c\/strong\u003e 120kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Clincher and tubeless-ready\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Comparison 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Each rim passes ISO 4210 and SCA fatigue\/durability standards up to 120kg rider limit. 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Superlight at 415g (±15g); also available as 435g (±15g) standard build. Supports up to 120kg rider weight at 100–125 psi. Ideal for flat and rolling courses where aero efficiency is prioritized, though deeper profile may catch more crosswind on technical climbs.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Standard\u003c\/td\u003e\n\u003ctd\u003e700C (ISO 622)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eU-shape, 60mm depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Rim Diameter (ERD)\u003c\/td\u003e\n\u003ctd\u003e518mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight – Standard\u003c\/td\u003e\n\u003ctd\u003e435 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight – Superlight\u003c\/td\u003e\n\u003ctd\u003e415 ± 15g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Compatibility\u003c\/td\u003e\n\u003ctd\u003eTubular only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e120kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eReal-World Use Case\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoad Racing \/ Triathlon\u003c\/strong\u003e: 60mm depth offers aerodynamic gains for flat and sprint courses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance \/ Urban\u003c\/strong\u003e: Lightweight rim supports high performance while maintaining durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClimbing and Crosswinds\u003c\/strong\u003e: Deeper profile may be more sensitive to gusts; lighter option aids on moderate climbs but not for extreme gradients.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComparison Table\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e700C\/28mm\/60mm (this rim)\u003c\/th\u003e\n\u003cth\u003e25mm\/60mm (common)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e415–435g\u003c\/td\u003e\n\u003ctd\u003e425–440g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Fit\u003c\/td\u003e\n\u003ctd\u003e28mm tubular\u003c\/td\u003e\n\u003ctd\u003e25mm tubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is a 60mm deep carbon rim suitable for triathlons?\u003c\/strong\u003e\u003cbr\u003eA: Yes, this rim is optimized for sustained speed and lower drag on flat\/rolling courses typical in triathlon events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How does 28mm width impact performance compared to 25mm?\u003c\/strong\u003e\u003cbr\u003eA: 28mm width increases tire support for stability and cornering, matching modern racing trends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the typical weight for a quality tubular carbon rim?\u003c\/strong\u003e\u003cbr\u003eA: Lightweight options are 400–440g; this rim (415–435g) meets high-performance standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are 60mm deep rims too affected by crosswinds?\u003c\/strong\u003e\u003cbr\u003eA: Deep-section rims offer speed but will catch more wind; suitable for riders comfortable managing gusts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\u003cp\u003eThis rim is manufactured to ISO 4210-7 and undergoes compressive and fatigue strength testing. 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Key Specifications Parameter Value Rim Standard 700C (ISO 622) Profile U-shape, 60mm depth Outer Width 28mm Effective Rim Diameter (ERD) 518mm Weight – Standard 435 ± 15g Weight – Superlight 415 ± 15g Tire Compatibility Tubular only Rider Weight Limit 120kg Min \/ Max Tire Pressure 100–125 psi Forward Compressive Strength \u0026gt;300kg Lateral Torsion \u0026gt;50kg Spoke Hole Tension \u0026gt;280kg Real-World Use Case Road Racing \/ Triathlon : 60mm depth offers aerodynamic gains for flat and sprint courses. Endurance \/ Urban : Lightweight rim supports high performance while maintaining durability. Climbing and Crosswinds : Deeper profile may be more sensitive to gusts; lighter option aids on moderate climbs but not for extreme gradients. Comparison Table Feature 700C\/28mm\/60mm (this rim) 25mm\/60mm (common) Width 28mm 25mm Weight 415–435g 425–440g Tire Fit 28mm tubular 25mm tubular FAQs Q: Is a 60mm deep carbon rim suitable for triathlons? 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Bola's 700C carbon road rim features a 30mm aerodynamic profile, 28mm outer width, and four weight classes (315–400g) to match diverse cycling disciplines. Tubeless ready and constructed from Toray T700\/T800 carbon, it's engineered for efficient climbing, endurance racing, and premium road performance.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRim Dimensions:\u003c\/strong\u003e 700C size, 30mm depth, 28mm outer, 21mm inner width\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Toray T700 \/ T800 carbon fiber composite\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight Range:\u003c\/strong\u003e 315g (Extreme Light) to 400g (Normal)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Compatible with 25–32mm tubeless road tires\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRider Weight Limit:\u003c\/strong\u003e Up to 100kg at 100–125 psi\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValve \u0026amp; Spoke Compatibility:\u003c\/strong\u003e Standard 6.5mm tubeless valves, 4.5mm spoke holes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Endurance, racing, climbing, custom builds\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e By direct arrangement; details below\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eComparison Table – Bola 30TR28 vs. Peer Rim Designs\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eRim Model\u003c\/th\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eWidth (O\/I)\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBola 30TR28\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30mm U-shape\u003c\/td\u003e\n\u003ctd\u003e315–400g\u003c\/td\u003e\n\u003ctd\u003e28\/21mm\u003c\/td\u003e\n\u003ctd\u003eClimbing, all-around\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eReserve Carbon 40\u003c\/td\u003e\n\u003ctd\u003e40mm Hookless\u003c\/td\u003e\n\u003ctd\u003eUnlisted\u003c\/td\u003e\n\u003ctd\u003eUnlisted\u003c\/td\u003e\n\u003ctd\u003eAll-round, disc\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eW23-4550 Wave\u003c\/td\u003e\n\u003ctd\u003e45–50mm Wave\u003c\/td\u003e\n\u003ctd\u003e410g\u003c\/td\u003e\n\u003ctd\u003e23mm inner\u003c\/td\u003e\n\u003ctd\u003eAero, CX\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eDT30S\u003c\/td\u003e\n\u003ctd\u003e30mm Tubular\u003c\/td\u003e\n\u003ctd\u003e290–350g\u003c\/td\u003e\n\u003ctd\u003e25mm outer\u003c\/td\u003e\n\u003ctd\u003eRace\/tubular\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eFAQs\u003c\/h3\u003e \u003cdl\u003e \u003cdt\u003eWhat are the key benefits of a 30mm profile carbon rim?\u003c\/dt\u003e \u003cdd\u003e30mm rims balance aerodynamic efficiency with lightness—ideal for climbing and versatile road racing.\u003c\/dd\u003e \u003cdt\u003eHow do weight classes (Normal, Superlight, Ultra Light, Extreme Light) impact ride?\u003c\/dt\u003e \u003cdd\u003eLighter rims offer quicker acceleration; heavier tiers prioritize strength. Choose based on rider weight, terrain, and usage.\u003c\/dd\u003e \u003cdt\u003eAre 28mm wide rims suitable for endurance cycling and 28–32mm tires?\u003c\/dt\u003e \u003cdd\u003eYes, 28mm outer and 21mm inner widths optimize handling, reduce pinch flats, and improve comfort on modern tires.\u003c\/dd\u003e \u003cdt\u003eHow much weight can switching to Ultra Light or Extreme Light save?\u003c\/dt\u003e \u003cdd\u003eUltra\/Extreme Light versions are up to 85g lighter per rim versus Normal, translating to better climbing performance.\u003c\/dd\u003e \u003cdt\u003eWhat certifications\/testing apply?\u003c\/dt\u003e \u003cdd\u003eManufactured using EN 14781 standards and independently impact-tested to \u0026gt;300kg compressive strength.\u003c\/dd\u003e \u003c\/dl\u003e \u003ch3\u003eKnown Tradeoffs\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExtreme\/lightest tiers may offer lower maximum rider weight and require more careful handling.\u003c\/li\u003e \u003cli\u003eLighter weight can result in marginally less lateral stiffness versus heavier rims in hard cornering.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWarranty \u0026amp; Support\u003c\/h3\u003e \u003cp\u003eContact Bola Carbon for custom warranty support and coverage for commercial, team, or personal use. Manufactured in compliance with ISO and EN standards.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Carbon Road Rim 700C 30mm Profile 28mm Wide Tubeless Ready – 315–400g\",\n  \"description\": \"Lightweight 700C Carbon Road Rim for Tubeless Setup Lead answer: Bola's 700C carbon road rim features a 30mm aerodynamic profile, 28mm outer width, and four weight classes (315–400g) to match diverse cycling disciplines. Tubeless ready and constructed from Toray T700\/T800 carbon, it's engineered for efficient climbing, endurance racing, and premium road performance. Key Specifications Rim Dimensions: 700C size, 30mm depth, 28mm outer, 21mm inner width Material: Toray T700 \/ T800 carbon fiber composite Weight Range: 315g (Extreme Light) to 400g (Normal) Tubeless Ready: Compatible with 25–32mm tubeless road tires Rider Weight Limit: Up to 100kg at 100–125 psi Valve \u0026 Spoke Compatibility: Standard 6.5mm tubeless valves, 4.5mm spoke holes Use: Endurance, racing, climbing, custom builds Warranty: By direct arrangement; details below Comparison Table – Bola 30TR28 vs. Peer Rim Designs Rim Model Profile Weight Width (O\/I) Best For Bola 30TR28 30mm U-shape 315–400g 28\/21mm Climbing, all-around Reserve Carbon 40 40mm Hookless Unlisted Unlisted All-round, disc W23-4550 Wave 45–50mm Wave 410g 23mm inner Aero, CX DT30S 30mm Tubular 290–350g 25mm outer Race\/tubular FAQs What are the key benefits of a 30mm profile carbon rim? 30mm rims balance aerodynamic efficiency with lightness—ideal for climbing and versatile road racing. How do weight classes (Normal, Superlight, Ultra Light, Extreme Light) impact ride? Lighter rims offer quicker acceleration; heavier tiers prioritize strength. Choose based on rider weight, terrain, and usage. Are 28mm wide rims suitable for endurance cycling and 28–32mm tires? Yes, 28mm outer and 21mm inner widths optimize handling, reduce pinch flats, and improve comfort on modern tires. How much weight can switching to Ultra Light or Extreme Light save? Ultra\/Extreme Light versions are up to 85g lighter per rim versus Normal, translating to better climbing performance. What certifications\/testing apply? Manufactured using EN 14781 standards and independently impact-tested to \u003e300kg compressive strength. Known Tradeoffs Extreme\/lightest tiers may offer lower maximum rider weight and require more careful handling. Lighter weight can result in marginally less lateral stiffness versus heavier rims in hard cornering. Warranty \u0026 Support Contact Bola Carbon for custom warranty support and coverage for commercial, team, or personal use. 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Depth, 28mm Wide (Hook\/Hookless) | Bola\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e This high-performance 700c carbon rim by Bola offers a 55mm aero profile, tubeless compatibility, and a 28mm external width for optimal efficiency and tire interface. Available in hook (21mm internal) or hookless (23mm internal) configurations, it suits competitive cycling, endurance rides, or urban speed applications. Designed for use with modern disc brake systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 700C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Depth\/Height:\u003c\/strong\u003e 55mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Width:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 21mm (hook) \/ 23mm (hookless)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Shape:\u003c\/strong\u003e U-shape aero\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eERD:\u003c\/strong\u003e 528mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Range:\u003c\/strong\u003e 100-125 psi (check tire compatibility)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAthlete Weight Limit:\u003c\/strong\u003e 120kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Options:\u003c\/strong\u003e 430g (ultra light) – 515g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-strength carbon fiber (3K\/UD finish option)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrake Compatibility:\u003c\/strong\u003e Disc brakes only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003cth\u003eBola 55mm\u003c\/th\u003e\n    \u003cth\u003eTypical 45mm Rim\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDepth\u003c\/td\u003e\n    \u003ctd\u003e55mm\u003c\/td\u003e\n    \u003ctd\u003e45mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eExternal Width\u003c\/td\u003e\n    \u003ctd\u003e28mm\u003c\/td\u003e\n    \u003ctd\u003e25-27mm\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\u003eWeight\u003c\/td\u003e\n    \u003ctd\u003e430g–515g\u003c\/td\u003e\n    \u003ctd\u003e~500-600g\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Are 700c hookless carbon rims compatible with all tubeless road tires?\u003c\/strong\u003e\u003cbr\u003eA: Compatible with most modern 28-32mm tubeless tires rated for hookless designs. Always verify tire manufacturer compatibility for max safe pressure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Does a 28mm wide rim improve aerodynamics?\u003c\/strong\u003e\u003cbr\u003eA: 28mm external increases airflow smoothness when paired with 28-30mm tires, reducing drag at high speed, as supported by CFD testing results in recent industry studies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What is the practical weight difference for race applications?\u003c\/strong\u003e\u003cbr\u003eA: Ultralight (430g) options enhance acceleration and climbing, with slight reduction in impact absorption compared to heavier (515g) builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Is this rim certified?\u003c\/strong\u003e\u003cbr\u003eA: All Bola rims are tested to ISO 4210 safety standards and undergo fatigue, impact, and pressure testing for quality assurance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Disc brake compatibility?\u003c\/strong\u003e\u003cbr\u003eA: Designed exclusively for disc brake systems for consistent high-speed stopping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eRigorously manufactured by Bola: ten years of dependable supply to cycling brands and teams across Europe and North America. Contact us for OEM and custom options.\u003c\/em\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Jante Carbone 700c Tubeless 55mm – Profil Haut 28mm Large, Options Hook\/Hookless, Ultra Légère | Bola\",\n  \"description\": \"700c Carbon Tubeless Rim – 55mm Depth, 28mm Wide (Hook\/Hookless) | Bola Answer: This high-performance 700c carbon rim by Bola offers a 55mm aero profile, tubeless compatibility, and a 28mm external width for optimal efficiency and tire interface. Available in hook (21mm internal) or hookless (23mm internal) configurations, it suits competitive cycling, endurance rides, or urban speed applications. Designed for use with modern disc brake systems. Technical Specifications Diameter: 700C Rim Depth\/Height: 55mm External Width: 28mm Internal Width: 21mm (hook) \/ 23mm (hookless) Rim Shape: U-shape aero ERD: 528mm Pressure Range: 100-125 psi (check tire compatibility) Athlete Weight Limit: 120kg Weight Options: 430g (ultra light) – 515g Material: High-strength carbon fiber (3K\/UD finish option) Brake Compatibility: Disc brakes only Tubeless Ready: Yes Comparison Table Specification Bola 55mm Typical 45mm Rim Depth 55mm 45mm External Width 28mm 25-27mm Tubeless Ready Yes Varies Weight 430g–515g ~500-600g FAQ Q: Are 700c hookless carbon rims compatible with all tubeless road tires? A: Compatible with most modern 28-32mm tubeless tires rated for hookless designs. Always verify tire manufacturer compatibility for max safe pressure. Q: Does a 28mm wide rim improve aerodynamics? A: 28mm external increases airflow smoothness when paired with 28-30mm tires, reducing drag at high speed, as supported by CFD testing results in recent industry studies. Q: What is the practical weight difference for race applications? A: Ultralight (430g) options enhance acceleration and climbing, with slight reduction in impact absorption compared to heavier (515g) builds. Q: Is this rim certified? A: All Bola rims are tested to ISO 4210 safety standards and undergo fatigue, impact, and pressure testing for quality assurance. Q: Disc brake compatibility? A: Designed exclusively for disc brake systems for consistent high-speed stopping. Rigorously manufactured by Bola: ten years of dependable supply to cycling brands and teams across Europe and North America. 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Tubeless Carbon Road Bike Rim 700C, 28mm Wide\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDirect answer:\u003c\/strong\u003e Lightweight (350–415g), 35mm deep, 28mm wide asymmetric carbon rim, compatible with modern 700C road bikes and tubeless tires from 25–32mm. 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Customizable for weight and width.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU-shape, Asymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e21mm or 23mm (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Rim Diameter (ERD)\u003c\/td\u003e\n\u003ctd\u003e568mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Options\u003c\/td\u003e\n\u003ctd\u003eUltra Light: 350g, Super Light: 370g, Normal: 415g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Compatibility\u003c\/td\u003e\n\u003ctd\u003eTubeless, 25–32mm tires, 100–125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFeature Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsymmetric spoke bed\u003c\/strong\u003e: Balances spoke tension for enhanced wheel integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple width\/weight options\u003c\/strong\u003e: Custom-built for both professional racing and endurance cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide 28mm external profile\u003c\/strong\u003e: Designed to support wider, low-pressure road tubeless tires for improved grip and comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability\u003c\/strong\u003e: Maximum rider weight 120kg, using tested carbon layup methodologies and QC in line with ISO 4210 standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eComparison Table: Key Metrics vs Common Alternatives\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRim\u003c\/th\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003cth\u003eDepth\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThis Product\u003c\/td\u003e\n\u003ctd\u003e28mm \/ 21–23mm int.\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003ctd\u003e350–415g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric, U-shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical 22mm deep rim\u003c\/td\u003e\n\u003ctd\u003e22–24mm int.\u003c\/td\u003e\n\u003ctd\u003e22mm\u003c\/td\u003e\n\u003ctd\u003e320–390g\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50mm deep aero rim\u003c\/td\u003e\n\u003ctd\u003e19–21mm int.\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e400–460g\u003c\/td\u003e\n\u003ctd\u003eSymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eBuyer FAQs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What are the best tubeless carbon road bike rims for racing under 400g?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This rim in Ultra Light spec is 350g, optimized for competitive racing and fits 25–32mm tubeless tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is a 28mm wide asymmetric carbon rim better for climbing or all-around road racing?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 28mm offers strong lateral stiffness for sprints and stability on descents; asymmetric profile equalizes spoke tension for durability—ideal for all-around use, including climbing with lightweight spec.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the difference between asymmetric and symmetric carbon road bike rims for performance?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Asymmetric rims improve overall wheel strength and longevity by optimizing spoke tension, reducing the risk of wheel dish issues under heavy load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Which 35mm carbon road bike rim offers the best balance of weight and aerodynamics?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This model balances moderate aero profile, wide tire compatibility, and sub-400g weight (Ultra Light variant) for racing or endurance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use a 21mm inner width tubeless carbon rim with 28mm road tires?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. 21mm is suitable for 25–32mm road tires, supporting modern tubeless setups at 100–125 psi.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuality Assurance \u0026amp; Sustainability\u003c\/h3\u003e\u003cp\u003eAll rims undergo multi-stage QC, fatigue, and impact testing in line with ISO standards. 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Key Specifications Parameter Value Rim Size 700C Rim Profile U-shape, Asymmetric Rim Height 35mm Outer Width 28mm Inner Width 21mm or 23mm (selectable) Effective Rim Diameter (ERD) 568mm Weight Options Ultra Light: 350g, Super Light: 370g, Normal: 415g Tire Compatibility Tubeless, 25–32mm tires, 100–125 psi Max Rider Weight 120 kg Valve Hole Diameter 6.5mm (customizable) Feature Highlights Asymmetric spoke bed : Balances spoke tension for enhanced wheel integrity. Multiple width\/weight options : Custom-built for both professional racing and endurance cycling. Wide 28mm external profile : Designed to support wider, low-pressure road tubeless tires for improved grip and comfort. Durability : Maximum rider weight 120kg, using tested carbon layup methodologies and QC in line with ISO 4210 standards. Comparison Table: Key Metrics vs Common Alternatives Rim Width Depth Weight Profile This Product 28mm \/ 21–23mm int. 35mm 350–415g Asymmetric, U-shape Typical 22mm deep rim 22–24mm int. 22mm 320–390g Asymmetric 50mm deep aero rim 19–21mm int. 50mm 400–460g Symmetric Buyer FAQs Q: What are the best tubeless carbon road bike rims for racing under 400g? A: This rim in Ultra Light spec is 350g, optimized for competitive racing and fits 25–32mm tubeless tires. Q: Is a 28mm wide asymmetric carbon rim better for climbing or all-around road racing? A: 28mm offers strong lateral stiffness for sprints and stability on descents; asymmetric profile equalizes spoke tension for durability—ideal for all-around use, including climbing with lightweight spec. Q: What is the difference between asymmetric and symmetric carbon road bike rims for performance? 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Extreme-Light (375g) is best for riders ≤85kg and smooth surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What tire sizes and pressures are supported?\u003c\/strong\u003e\u003cbr\u003eA: Designed for 25–32mm tubeless tires, up to 125psi (hooked) or 100psi (hookless as per ETRTO guidelines).\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\": \"Bola 700c 45mm Asymmetric Carbon Tubeless Road Rim – 28mm Wide, Hook or Hookless, 375–460g\",\n  \"description\": \"Bola 700c 45mm Asymmetric Carbon Tubeless Rim Direct answer: The Bola 700c 45mm asymmetric carbon tubeless rim is designed for competitive road cycling and endurance rides, offering advanced aerodynamics and weight options for custom wheel builds. Choose between hookless or hooked bead variants, 21mm or 23mm inner widths, and weights from 375g to 460g to optimize your performance and tire compatibility. Key Features Size: 700c (ISO 622) Depth: 45mm (U-shape asymmetric offset) Width: 28mm outer \/ 21mm or 23mm inner Weight Options: Extreme-Light 375g, Ultra-Light 380g, Super-Light 405g, Standard 460g (± tolerances) Bead Type: Hooked or Hookless (ETRTO compatible) Spoke Hole: 4.5mm diameter, for disc\/rim brake hubs Max Rider Weight: 100kg Recommended Tire Size: 25–32mm tubeless-ready (100–125 psi) Material: T700\/T800 unidirectional carbon fiber, epoxy matrix Dynamic Balance: Flatness Tolerance: Warranty: 3 years Certifications: ISO 622, ETRTO bead compatibility, dynamic balance and flatness tested Comparison Table Parameter Bola 45TR28 Typical Competitor Profile Asymmetric, U-shape Symmetric or wave Inner Width 21\/23mm 23-25mm Weight 375–460g 330–460g Bead Type Hooked \/ Hookless Varies Puncture Risk Low (tubeless ready) Low (tubeless ready) Max Rider Weight 100kg 90–105kg Certifications ISO 622 \/ ETRTO Stated or unspecified FAQs Q: What are the main advantages of an asymmetric rim design? 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