Carbon Fiber Sporting Goods
Bola ST 50T 50mm Carbon Road Wheelset, DT Swiss 350S, CX-Ray, Tubular, Rim Brake, 25/28mm
Bola ST 50T 50mm Carbon Road Wheelset, DT Swiss 350S, CX-Ray, Tubular, Rim Brake, 25/28mm
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Engineered for competitive road racing and endurance cycling, the Bola ST 50T 50mm carbon road wheelset leverages DT Swiss 350S hubs and Sapim CX-Ray spokes for optimal power transfer and consistent braking on demanding terrain. Choose between 25mm or 28mm tubular rims to fine-tune aerodynamics and handling for your riding style. Basalt carbon braking surfaces and a certified EN 14781 tubular construction ensure durability and heat resistance for long descents while maximizing acceleration with a 1270g ±20g total weight.
Key Specifications
- Rim Matrtial:T700/T800,UD Matt
- Rim Depth: 50mm
- Rim Width: 25mm or 28mm (external)
- Weight: 1270g ±20g (per set, without accessories)
- Brake Type: Rim brake, basalt carbon braking surface
- Spokes: Sapim CX-Ray, 20 front (radial), 24 rear (2 cross)
- Hubset: DT Swiss 350S
- Axle Standards: Standard quick-release
- Certification: EN 14781
- Max Rider Weight: 100kg
- Warranty: 2 years
Performance & Use Cases
- Designed for road racing, competitive stage events, and long-distance endurance riding.
- Tubular construction supports higher tire pressures (25–30c suitable), improving grip and road feedback in high-speed and technical segments.
- The 1270g overall set weight reduces rotational inertia, resulting in noticeable gains in acceleration and climbing efficiency compared to typical wheelsets (1400–1600g).
- Basalt carbon braking surface mitigates fade on alpine descents, sustaining reliable braking under repeated high-heat loads. Riders are advised to use carbon-specific brake pads and monitor rim heat on sustained descents.
- Choice of 25mm or 28mm width: 25mm is typically favored for hilly and mixed terrain for agility and lighter weight, 28mm offers a broader tire bed for stability at speed and better support for modern wide tubular tires.
Comparison Table: Bola ST 50T vs Popular Competitors
| Model | Rim Depth | Rim Width | Weight (pair) | Brake | Construction |
|---|---|---|---|---|---|
| Bola ST 50T | 50mm | 25/28mm | 1270g | Rim | High modulus carbon, tubular |
| DT50S (comp) | 50mm | 25mm | 720-820g (rim only) | Disc | Toray T700/T800 carbon |
| HUNT 50 Carbon | 50mm | 22mm internal | ~1468g | Disc | Tubeless-ready, carbon |
| 5.0 Carbon Tubular | 50mm | 25mm | NA | Rim | High modulus carbon, tubular |
Known Trade-offs
- Tubular tires require more labor to install and repair versus clinchers, but reduce rolling weight and allow higher pressures/preferred road feel by many racers.
- Rim brake configuration delivers lighter weight but may require cautious descent management on very long or hot alpine passes.
- While disc brake models offer broader compatibility and weather performance, the rim brake Bola ST 50T prioritizes minimal mass and classic road build standards.
Frequently Asked Questions
Are 50mm deep carbon tubular wheels good for road racing?
Yes, 50mm deep carbon tubular wheels are optimized for road racing as they provide aerodynamic advantages, low rotational mass for rapid acceleration, and high responsiveness. The Bola ST 50T model supports endurance and sprint events where these characteristics enhance racing performance, in line with preferences of experienced competitors and teams.
How does a 1270g carbon wheelset with DT 350 hubs compare to other lightweight wheelsets?
At 1270g per pair and with proven DT Swiss 350S hubs, the Bola ST 50T ranks among the lighter wheelsets available for tubular/rim brake setups, facilitating sharper climbs and reduced fatigue over distance. Competitor clincher/tubeless disc models frequently exceed 1400g.
What's better for hilly terrain, 25mm or 28mm wide tubular carbon rims?
25mm rims are typically preferred for hilly routes due to reduced weight and improved agility, while 28mm offers additional stability and tire support at higher speeds or rough surfaces. Match width to your typical tire size and terrain needs.
Can these rim brake carbon wheels handle long descents without overheating?
The Bola ST 50T's basalt carbon brake track improves heat tolerance and maintains braking power over long descents. To minimize overheating risk, use carbon-specific brake pads and periodically check rim temperature on very long or steep alpine descents.
Is this wheelset a good upgrade for improving acceleration and speed on my road bike?
Reducing total wheelset weight to 1270g results in faster acceleration and higher sustained speeds, especially noticeable in sprints, climbing, and repeated accelerations common in racing scenarios.
