Carbon Fiber Sporting Goods
Bola EXP 40T Carbon Tubular Wheelset 40mm Rim Brake – DT Swiss 240S, 25/28mm Wide
Bola EXP 40T Carbon Tubular Wheelset 40mm Rim Brake – DT Swiss 240S, 25/28mm Wide
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The Bola EXP 40T Carbon Tubular Wheelset offers a 40mm aero rim depth, lightweight 1170g ±20g system weight, and durable DT Swiss 240S straight-pull hubs—engineered for responsive climbing and reliable rim brake performance in competitive road cycling. Riders can choose between 25mm or 28mm external rim widths for aerodynamic or comfort-focused setups. Built with T700/T800 unidirectional matte carbon and Sapim CX Ray high-tensile aero spokes, the wheelset supports riders up to 100kg. Certified to EN 14781 for quality and safety.
Premium 40mm Tubular Carbon Road Wheels for Peak Performance
- Rim Type: Tubular, 40mm deep, external widths: 25mm or 28mm
- Material: T700/T800 unidirectional matte carbon fiber
- Brake Surface: Basalt-reinforced rim brake track for heat resistance
- Hubs: DT Swiss 240S, straight-pull, 20 front / 24 rear
- Spokes: Sapim CX Ray stainless, aero profile
- Total Weight: 1170g ±20g (pair, wheelset only)
- Recommended Rider Weight Limit: Up to 100kg
- Certification: EN 14781 compliant
- Warranty: 2 years, manufacturer support
- Country of Origin: China
Comparison Table
| Specification | Bola EXP 40T | DT Swiss 1800 SPLINE 23 |
|---|---|---|
| Rim Depth | 40mm | 23mm |
| Rim Width Options | 25/28mm (external) | 23mm |
| Weight (pair) | 1170g ±20g | Approx. 1675g |
| Hub Model | DT Swiss 240S | DT Swiss Ratchet LN |
| Braking | Rim brake (basalt) | Disc brake only |
| Tubular/Tubeless | Tubular only | Tubeless ready |
Use-Cases & Real-World Performance
- Climbing: Sub-1200g rotational mass optimizes acceleration and climbing compared to heavier mid-depth wheels.
- Everyday Road Cycling: 40mm rim depth provides a balance of aero gains and stability in variable crosswinds; suitable for flat and rolling terrain.
- Rider Weight & Durability: Sapim CX Ray spokes and reinforced carbon layup deliver reliable long-term strength for riders up to 100kg (industry standard for comparable wheelsets).
- Braking Consistency: Basalt brake surface enhances heat dissipation and wear resistance but still requires careful modulation in prolonged descents or wet conditions (a known tradeoff of carbon braking surfaces vs. alloy).
Frequently Asked Questions
Are 40mm deep carbon tubular wheels good for climbing and everyday road cycling?
40mm deep carbon tubular wheels, such as the Bola EXP 40T, offer a practical combination of aerodynamic benefit for flats and stability, with manageable weight (1170g) for climbing—making them versatile for both racing and daily rides.
How do DT Swiss 240S hub wheelsets compare to other lightweight carbon wheelsets?
DT Swiss 240S hubs use a star ratchet system and precision bearings, providing proven long-term reliability and low maintenance, commonly selected for race-grade and pro-level builds.
What's the difference between 25mm and 28mm wide tubular carbon wheels for road bikes?
25mm rims best match 23–25c tubular tires for low rolling resistance and racing, while 28mm rims fit 25–30c tubulars, offering extra comfort, grip, and improved aero for broader tires—especially relevant for heavier riders or endurance cycling. Confirm frame clearance before installation.
Is a 1170g wheelset with Sapim CX Ray spokes durable enough for riders over 90kg?
The Bola EXP 40T is tested up to 100kg rider weight; Sapim CX Ray spokes are known for high fatigue life and strength. Riders above 90kg should check spoke tension periodically to maintain optimal reliability.
What are the pros and cons of basalt rim brake surfaces on carbon bicycle wheels?
Basalt adds resistance to heat buildup and improves braking consistency over standard carbon tracks. However, braking in wet or extreme descents still requires attention as carbon brake tracks cannot fully match alloy in those situations.
Lightweight and Aerodynamic Rim Design
The Bola EXP 40T Carbon Tubular Wheelset features 40mm deep carbon rims that provide an ideal balance of aerodynamic efficiency and lightweight performance. These 40mm tubular carbon road wheels are designed with a 25/28mm internal and external rim width, offering enhanced stability and excellent tire support. This wide profile boosts cornering grip and improves ride comfort without compromising speed, making it perfect for road cyclists aiming to maximize their racing or training efficiency.
High-Quality DT Swiss 240S Hub Integration
Equipped with the renowned DT Swiss 240S hubs, these 40mm tubular carbon road wheels ensure smooth, reliable engagement and longevity. The hubs utilize precise bearings and premium materials, delivering a quiet and efficient ride. The DT Swiss 240S hubs also provide excellent power transfer, which is crucial for competitive cyclists seeking responsiveness and durability in their wheelset.
Optimized for Rim Brake Compatibility and Versatility
The Bola EXP 40T wheelset is optimized for rim brake systems, offering consistent stopping power and control with a dedicated braking surface on the carbon rims. This wheelset supports tubular tires, which are favored for their performance advantages in racing scenarios. The combination of rim brake compatibility and wide rim dimensions makes these 40mm tubular carbon road wheels a versatile and high-performance choice for serious cyclists prioritizing speed, handling, and reliability.
