Carbon Fiber Sporting Goods
Bola 700c 26mm Asymmetric Tubeless Carbon Rear Disc Wheel – Center Lock, 12x142mm, Triathlon/TT
Bola 700c 26mm Asymmetric Tubeless Carbon Rear Disc Wheel – Center Lock, 12x142mm, Triathlon/TT
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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.
Key Features & Specifications
- 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.
