Bola EXP 40C DT240S Carbon Road Wheelset, 40mm Rim Brake, Tubeless, 1300g
Bola EXP 40C DT240S Carbon Road Wheelset, 40mm Rim Brake, Tubeless, 1300g
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The Bola EXP 40C DT240S is a lightweight 1300g carbon road wheelset with 40mm UD matte rims and DT Swiss 240S hubs, optimized for efficient climbing, endurance riding, and all-round road performance. Compatible with rim brakes and 25mm or 28mm tubeless tires, this certified wheelset delivers aerodynamic balance, strength, and reliable braking in a cost-effective package for serious riders and business partners seeking accessible quality.
Key Features & Specs
- Rim Construction: Toray T700/T800 unidirectional matte-finish carbon fiber
- Rim Depth: 40mm mid-depth for balanced aerodynamics and low weight
- Rim Width: External: 25mm or 28mm; Internal: 17mm or 21mm
- Weight: 1300g ±20g (without accessories)
- Brake Surface: Basalt-coated rim, optimized for rim brakes
- Hub System: DT Swiss 240S, proven for low rolling resistance and extended life
- Spoke Spec: Sapim CX Ray stainless steel, providing high stiffness and durability
- Tire Compatibility: Tubeless-ready for both 25mm and 28mm tire setups
- Certification: EN 14781 compliant for international safety and performance
- Recommended Rider Weight Limit: Up to 100kg
How it Compares
| Feature | Bola EXP 40C DT240S | HUNT 40 Carbon Disc (Higher-Performance Model) |
|---|---|---|
| Brake Type | Rim Brake | Disc Brake |
| Rim Depth | 40mm | 40mm |
| Rim Width (Ext./Int.) | 25/28mm (ext.), 17/21mm (int.) | U-shaped, ~27mm ext., ~19mm int. |
| Weight (Pair) | 1300g | Approx. 1467g |
| Hub System | DT Swiss 240S | Ratchet hub |
| Tubeless Ready | Yes, for 25/28mm tires | Yes, wide tire compatibility |
| Certification | EN 14781 | ETRTO compatibility |
| Warranty | 2 years | 2 years |
| Target Use | Road: climbing/endurance, rim-brake bikes | Road/Gravel: disc-brake, mixed terrain |
| Price Segment | Factory-direct, value-oriented | Mid/high-end, retail channel |
Recommended Use Cases
- Performance road upgrades for climbing and endurance riding, especially for rim-brake bikes
- All-round road cycling including rolling terrain and club training sessions
- Bike builds requiring weight reduction and improved aerodynamics without high brand premium
- B2B: Sourcing reliable OEM/ODM carbon wheelsets with global certification for resale
- Cyclists switching to tubeless for better puncture resistance and ride comfort
- Riders needing a wheelset tested for users up to 100kg
Frequently Asked Questions
Are 40mm carbon road wheelsets good for climbing and endurance rides?
Yes, the 40mm mid-depth allows optimal balancing between aerodynamic efficiency on flats and light weight for climbing, making it ideal for endurance rides that combine variable terrain. At 1300g, it substantially reduces rotational mass compared to most alloy wheels.
How does a 1300g carbon rim brake wheelset compare to alloy options?
This carbon set averages 300–500g lighter than typical alloy rim brake wheelsets, providing quicker acceleration, improved climbing, and better compliance. It also allows lower tire pressures with tubeless systems for more comfort and grip.
Will a tubeless 25mm or 28mm wide wheelset fit my road bike with 100x130 QR axles?
Yes, the Bola EXP 40C DT240S is compatible with standard 100x130mm quick-release axles and supports both 25mm and 28mm tires. Please confirm your frame clearance for 28mm if selecting wider tires.
What are the advantages of Sapim CX Ray spokes and DT 240S hubs?
Sapim CX Ray spokes are known for their high fatigue resistance, lightness, and stability, which translates to improved wheel stiffness, aerodynamics, and long-term durability. DT Swiss 240S hubs provide low rolling resistance and long service intervals, favored in endurance and race applications.
Is this 40mm deep rim brake carbon wheelset suitable for heavier riders up to 100kg?
Yes, the wheelset is EN 14781 certified for rider weights up to 100kg. Periodic spoke tension checks are recommended for optimal performance under higher loads.
