Bola EXP 45C DT240S Carbon Road Wheelset, 45mm Rim Brake, Tubeless, 1280g
Bola EXP 45C DT240S Carbon Road Wheelset, 45mm Rim Brake, Tubeless, 1280g
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The Bola EXP 45C DT240S Carbon Road Wheelset delivers reliable climbing and aerodynamics with a 45mm deep T700/T800 carbon rim, proven DT 240S hubs, tubeless compatibility, and a precise lightweight build—1280g ±20g. This wheelset is engineered for riders seeking balanced stiffness, efficiency, and dependable rim braking on both hilly and flat road courses, at a fraction of mainstream brand cost.
Key Features & Specs
- Rim Material: T700/T800 unidirectional matte carbon fiber
- Rim Depth & Profile: 45mm aero profile for optimized balance between drag reduction and crosswind stability
- Rim Width: 25/28mm external, 17/21mm internal widths—compatible with 25-32mm road tires
- Wheelset Weight: 1280g ±20g (no skewers/tape; full wheelset)
- Braking Surface: Basalt-coated carbon for enhanced heat dissipation, tested for consistent rim braking in dry and wet conditions
- Hub System: DT Swiss 240S straight-pull, reliable pawl system, high-precision bearings
- Spokes/Nipples: Sapim CX Ray bladed spokes, external alloy nipples, 20 front / 24 rear spoke count
- Tubeless Ready: Pre-drilled for clincher & tubeless tires, allows for lower pressure and reduced flats
- Warranty: 2-year global manufacturer warranty
- Quality Certifications: ISO 4210-compliant; 24h static load, 100h dynamic fatigue, and EN14781 rim testing
How it Compares
| Feature | Bola EXP 45C DT240S | High-End Performance Model* |
|---|---|---|
| Rim Material | T700/T800 UD carbon | Toray T1100/T800, proprietary layups |
| Rim Depth | 45mm | 45mm–50mm |
| Weight (Wheelset) | 1280g ±20g | 1200–1300g |
| External Width | 25/28mm | 28mm (wider rim only) |
| Hub | DT Swiss 240S | Brand-specific or lighter ceramic hubs |
| Braking Surface | Basalt-coated carbon (rim brake) | Grooved graphene or 3K twill (rim brake) |
| Tubeless Compatibility | Yes | Yes |
| Quality Certifications | ISO 4210, EN14781 | UCI, in-house advanced tests |
| Warranty | 2 years (global) | 2–3 years, location dependent |
| Price Range | Mid (factory-direct, value-driven) | High (brand premium) |
*Examples: Zipp 303 Firecrest, Corima 45R
Recommended Use Cases
- Climbing and fast descents on varied road terrain thanks to lightweight build and aero rim
- Endurance cycling events requiring tubeless puncture resistance and long-term reliability
- Club rides and amateur road racing—offering premium feel without brand premiums
- All-weather training and gran fondo rides—tested basalt brake track for rain or heat
- Wholesale orders for retailers and local shops seeking value carbon wheels for 700c rim brake bikes
- Custom/OEM builds needing balanced weight, stiffness, and transparent after-sales support
Frequently Asked Questions
Are 45mm carbon rim brake wheels good for climbing and everyday road cycling?
Yes, 45mm carbon rim brake wheels like the Bola EXP 45C DT240S offer a well-balanced blend of climbing responsiveness and aerodynamic advantage. The sub-1300g weight reduces rotational mass, helping with acceleration and gradients, while the 45mm profile delivers stability and speed on the flats.
How does the Bola EXP 45C DT240S stack up against other lightweight carbon wheelsets?
At 1280g ±20g, the Bola 45C sits among the lighter tubeless-compatible carbon wheelsets in its class. While ultra-light models may drop around 1200g, they often forgo durability or rim width. Bola prioritizes a practical balance between lightness, width (for modern tires), and heat-managed braking.
Is a 25mm or 28mm external width better for wider road tires?
Both 25mm and 28mm external widths support 25–32mm tires. Wider 28mm rims improve tire volume and aerodynamics with 28–32mm tires, while 25mm offers lower weight for 25–28mm setups. Bola allows buyers to match width to preferred tire size and terrain.
What are the performance benefits of DT 240S hubs and Sapim CX Ray spokes?
DT 240S hubs provide reliable, low-drag engagement and long-term service intervals. Sapim CX Ray spokes combine low weight and fatigue resistance, proven in pro-level wheel builds, supporting optimal stiffness and ride quality without excess harshness.
How effective are basalt-coated rim brake surfaces in wet conditions?
Basalt-coated carbon brake tracks are engineered for improved heat and moisture dissipation, maintaining consistent braking power during rain or descents. Bola's rim track has been lab-tested for EN14781 wet/dry braking performance, providing confidence often absent in generic alternatives.
