Bola ST 45C Carbon Road Wheelset 45mm Tubeless Rim Brake DT Swiss 350S 700C (1320g)
Bola ST 45C Carbon Road Wheelset 45mm Tubeless Rim Brake DT Swiss 350S 700C (1320g)
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Experience balanced climbing efficiency and aerodynamic road performance with the Bola ST 45C Carbon Road Wheelset. Featuring a 45mm Toray T700/T800 rim, DT Swiss 350S hub, and EN 14781-tested strength, this 1,320g tubeless-ready wheelset is engineered for riders seeking cost-effective upgrades without compromising reliability or speed.
Key Features & Specs
- Rim Material: Toray T700/T800 unidirectional matte carbon fiber
- Rim Depth/Width: 45mm deep, 25mm or 28mm external width; 17mm or 21mm internal width
- Wheel Size: 700C
- Weight: 1,320g ±20g (without accessories)
- Brake Type: Rim brake with machined carbon braking surface
- Hub: DT Swiss 350S, quick-release, compatible with Shimano/SRAM 11-speed freehub
- Spokes: Sapim CX-Ray stainless steel
- Tubeless Ready: Supports modern tubeless tire mounting (compatible with 25–30c tires)
- Testing Standard: EN 14781
- Maximum Rider Weight: 100kg
How it Compares
| Feature | Bola ST 45C | Premium Competitor (e.g., C45 Carbon Wheelset) |
|---|---|---|
| Rim Depth | 45mm | 45mm |
| Rim Width (Ext.) | 25/28mm | 25mm |
| Weight (Pair) | 1,320g ±20g | 1,380g |
| Brake Surface | Machined carbon | Grooved graphene |
| Warranty | 2 years | 1–2 years (varies) |
| Tubeless Compatibility | Yes | Yes |
| Price Range | Factory-direct | Brand premium |
| Testing Standard | EN 14781 | EN 14781 |
Recommended Use Cases
- Road cyclists seeking lighter climbing wheels without sacrificing aero performance
- Endurance riders wanting balanced comfort for long-distance training or gran fondos
- Amateur racers upgrading from OEM alloy or entry-level wheelsets
- Rim brake road bikes requiring modern tubeless compatibility with 25–30c tires
- Bike shops and resellers seeking EN-certified, cost-competitive carbon wheels for B2B supply or dropshipping
Frequently Asked Questions
Are these carbon rim brake wheelsets suitable for both climbing and endurance road cycling?
Yes. Weighing approximately 1,320g and using a 45mm deep rim, the Bola ST 45C balances lightweight response for ascents with aerodynamic efficiency for sustained speed on long road rides. This makes them well-suited for versatile endurance cycling.
How does a 45mm deep carbon wheel perform compared to 35mm or 60mm options?
A 45mm rim offers a midpoint between climbing agility and aerodynamic benefit, giving more crosswind stability and lighter weight than 60mm wheels, with better aero gain than 35mm shallower rims. Ideal for undulating or mixed terrain riding.
Will these tubeless-ready wheels fit 28mm road tires for extra comfort?
Yes. The rims accommodate 25–30c tubeless or clincher tires. 28mm is commonly preferred by riders seeking enhanced comfort and grip on varying surfaces.
Is there a braking performance difference with a machined carbon surface?
A machined carbon brake track offers consistent dry and wet braking when paired with quality carbon-specific pads. It differs from grooved or graphene surfaces but delivers predictable friction and heat management, proven by EN 14781 testing.
Are lightweight carbon wheelsets under 1,400g worth it for high-mileage users?
For riders prioritizing responsive handling and reduced fatigue during long rides, sub-1,400g carbon wheels provide real efficiency gains. The Bola ST 45C is EN-certified and supports up to 100kg rider weight, addressing reliability for extended use.
