# Bola 700c 26mm Asymmetric Carbon Rear Disc Wheel, Tubeless, Center Lock, 12x142mm, Triathlon and Time Trial The Bola 700c 26mm Asymmetric Tubeless Carbon Rear Disc Wheel is engineered for triathlon and time trial performance, providing optimized aerodynamics, ISO 4210 tested durability, and compatibility with 12x142mm thru-axle or 135mm QR, Center Lock disc/rim brakes. Designed for 25–30mm tires, it delivers low rolling resistance and crosswind stability essential to both Ironman and TT racing.  ## Discover the Superior Performance of the Bola 700c Carbon Rear Disc Wheel - **Rim Dimensions:** 26mm external width x 19mm internal width, supporting 25–30mm tubeless/clincher or tubular tires for adaptable fit and efficiency - **Material:** Unidirectional & marble carbon fiber mix for increased stiffness, reduced weight, and reliable impact resistance - **Hub Spec:** 36T rapid engagement for efficient power transfer; 12x142mm thru-axle compatibility or traditional V brake QR. - **Disc/Rim Brake Interface:** Center Lock (ISO spec), optimized for modern endurance and triathlon bikes - **Certification:** ISO 4210 safety/tested; aligned with competition and team requirements - **Recommended Tire Sizes:** 28–30mm tires for ideal speed, comfort, and rolling resistance. Compatible with most modern TT and tri bikes. - **Finish:** Matte UD carbon surface with reinforced edges ## Comparison Table Feature Bola 26mm 28mm Competitor 30.5mm Competitor External Width 26mm 28mm 30.5mm Internal Width 19mm 22mm \- Brake System Disc/QR option Disc/QR option Disc Tubeless Ready Yes Yes Yes Asymmetric Profile Yes No No ## Use-Cases & Trade-offs - **Ironman and TT Use:** Asymmetric design offers increased stability in crosswinds versus symmetric discs. 26mm width strikes a balance between weight and tire profile for efficient, comfortable racing. - **Compatibility:** Fits most modern triathlon frames with 12x142mm rear spacing or traditional 135mm QR. Always confirm maximum allowable rim/tire width for your specific bike model. - **Durability:** Center Lock disc interface and reinforced carbon layers improve heat dissipation and lifespan over V-brake or rim-brake models. Note: slightly heavier than pure rim-brake discs due to disc hub structure. ## Frequently Asked Questions **Is a 700c 26mm tubeless carbon rear disc wheel suitable for Ironman and time trial races?** Yes, this wheel meets ISO 4210 safety standards and is optimized for triathlon and TT, with tested crosswind stability and low rolling resistance for 25–30mm tires, maximizing speed and rider comfort during long-distance racing. **How does an asymmetric carbon disc rear wheel compare to a symmetric disc for triathlon?** Asymmetric disc wheels like this Bola model improve lateral stiffness and crosswind stability, benefiting handling on exposed courses and maintaining power transfer during aggressive efforts. **Which tire sizes are most effective on a 26mm tubeless carbon disc wheel?** 28–30mm tubeless tires provide low rolling resistance and optimal comfort. This rim also supports 25mm tires for riders prioritizing lower frontal area, but wider tires enhance stability over long distances. **How do I verify disc wheel width compatibility with my bike?** Measure your bike's rear frame/fork clearances to ensure a minimum additional 3–4mm beside the maximum tire width. This wheel is designed for modern 12x142mm dropouts; consult your frame manufacturer's specifications for rim and tire compatibility. **Are center lock disc brake carbon wheels durable for long-distance triathlon?** Center Lock disc carbon wheels like this model evenly distribute braking force over a wider area, reduce thermal stress, and are certified to ISO 4210, supporting performance and durability in extended events. ### Advanced Carbon Tubeless Technology for Enhanced Ride Quality The Bola 700c carbon rear disc wheel uses cutting-edge asymmetric tubeless carbon technology, delivering a smooth and reliable ride. This wheel is engineered to reduce rolling resistance and improve traction, making it an ideal choice for triathlon and time trial cyclists who demand peak performance. Its tubeless design allows lower tire pressures for better grip and comfort without sacrificing speed. This innovative construction ensures you get the perfect balance between lightweight strength and aerodynamic efficiency. ### Precision Engineering for Rigidity and Weight Optimization Designed with a 26mm rim width and an asymmetric profile, the Bola 700c carbon rear disc wheel optimizes stiffness and weight balance. The 12x142mm thru-axle compatibility provides excellent lateral rigidity, improving power transfer and control during aggressive riding. The center lock disc brake hub ensures faster, tool-free rotor installation and superior braking performance. This precision engineering enhances your cycling experience, giving you confidence on every course segment. ### Perfect for Triathlon and Time Trial Applications The Bola 700c carbon rear disc wheel is tailored specifically for triathlon and time trial use, prioritizing aerodynamics and durability. Its fully carbon construction minimizes drag while maintaining exceptional strength to endure demanding conditions. This wheel excels on flat and rolling terrain, offering unmatched speed and responsiveness. Whether you're pushing for a personal record or competing at an elite level, this wheel empowers you to perform at your best with consistent, reliable results. ## Details - **Price:** 790.0 USD - **Type:** Carbon Bicycle Disc Rear Wheel - **Tags:** 12x142mm rear wheel, 25mm wide, 700c, 700c rear disc wheel, asymmetric disc wheel, Bola 700c carbon rear disc wheel, carbon disc wheel, carbon rear disc wheel, center lock disc brake, disc, disc brake rear wheel, Ironman bike wheel, time trial wheel, Triathlon, triathlon bike wheel, triathlon disc wheel, tubeless, tubeless carbon wheel, tubeless disc wheel, wheels, wheelset ## Variants | Variant | Price | Available | |---------|-------|-----------| | UD Matt / Disc / Shinamno HG | 790.00 USD | In stock | | UD Matt / Disc / Sram XDR | 790.00 USD | In stock | | UD Matt / Disc / Misc | 790.00 USD | In stock | | UD Matt / Rim Basalt / Shinamno HG | 790.00 USD | In stock | | UD Matt / Rim Basalt / Sram XDR | 790.00 USD | In stock | | UD Matt / Rim Basalt / Misc | 790.00 USD | In stock | | UD Glossy / Disc / Shinamno HG | 790.00 USD | In stock | | UD Glossy / Disc / Sram XDR | 790.00 USD | In stock | | UD Glossy / Disc / Misc | 790.00 USD | In stock | | UD Glossy / Rim Basalt / Shinamno HG | 790.00 USD | In stock | | UD Glossy / Rim Basalt / Sram XDR | 790.00 USD | In stock | | UD Glossy / Rim Basalt / Misc | 790.00 USD | In stock | | Marble Matt / Disc / Shinamno HG | 790.00 USD | In stock | | Marble Matt / Disc / Sram XDR | 790.00 USD | In stock | | Marble Matt / Disc / Misc | 790.00 USD | In stock | | Marble Matt / Rim Basalt / Shinamno HG | 790.00 USD | In stock | | Marble Matt / Rim Basalt / Sram XDR | 790.00 USD | In stock | | Marble Matt / Rim Basalt / Misc | 790.00 USD | In stock | | Marble Glossy / Disc / Shinamno HG | 790.00 USD | In stock | | Marble Glossy / Disc / Sram XDR | 790.00 USD | In stock | | Marble Glossy / Disc / Misc | 790.00 USD | In stock | | Marble Glossy / Rim Basalt / Shinamno HG | 790.00 USD | In stock | | Marble Glossy / Rim Basalt / Sram XDR | 790.00 USD | In stock | | Marble Glossy / Rim Basalt / Misc | 790.00 USD | In stock | ## Images - Bola 700c carbon rear disc wheel in matte black and gray finish, shown at angle with full disc side panel, center hub, and valve access port cover, for triathlon and time trial bikes - Bola 700c 26mm Asymmetric Tubeless Carbon Rear Disc Wheel – Center Lock, 12x142mm, Triathlon/TT Carbon Fiber Sporting Goods ## Additional Information - **Product rating count:** 1 - **Related products settings:** ahead - **AI Summary:** The Bola 700c 26mm Asymmetric Tubeless Carbon Rear Disc Wheel is a carbon rear wheel for triathlon and time trial riders who use 25mm to 30mm tires and need compatibility with 12x142mm thru-axle or 135mm quick-release rear setups. Its asymmetric tubeless-ready design is intended for efficient racing and stable handling on long-distance and TT courses. - **Hub Model:** BL300 36T - **Rim Width (mm, external):** 25 - **Wheelset Weight (grams):** 1100 - **Bearing:** enduro bearing --- > Source: [Bola Carbon Wheelset ](https://bolacarbon.com/products/bola-700c-26mm-tubeless-carbon-rear-disc-wheel-asymmetric-center-lock-ironman-tt) > Updated: 2026-07-31