Carbon Fiber Sporting Goods
Bola ELT 40R 700C Carbon Disc Brake Wheelset – 40mm Deep, 28/30mm Wide, 1240g Tubeless
Bola ELT 40R 700C Carbon Disc Brake Wheelset – 40mm Deep, 28/30mm Wide, 1240g Tubeless
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The Bola ELT 40R 700C Carbon Disc Brake Wheelset offers a balanced 40mm rim depth, 1240g low weight, and 28/30mm width for efficient, stable performance in road racing or long-distance endurance cycling. Engineered with T700/T800 unidirectional (UD) matte carbon rims, BL240 aluminum hubs featuring 54T ratchet ceramic bearings, and stainless steel straight-pull spokes, this wheelset is ISO4210 compliant for assured reliability on modern disc brake bikes.
Technical Specifications
- Rim Depth: 40mm
- Internal Rim Width: 21mm or 24mm
- External Rim Width: 28mm or 30mm
- Wheelset Weight: 1240g ±30g/set
- Material: T700/T800 UD Matte Carbon Rim · Aluminium Hub · Stainless Steel Spokes
- Hub: BL240, Ceramic Bearings, 54T Ratchet, Center Lock, Straight-pull, QR Compatible
- Spoke Count: 24 Front/Rear, Aero Pillar 1420
- Axle Compatibility: 12x100mm (Front), 12x142mm (Rear), QR adaptable
- Certification: ISO4210 Compliant
Performance & Use Cases
- Everyday Cycling & Racing: 40mm depth provides a balance of aerodynamic benefit and crosswind stability—ideal for mixed terrain, fast climbs, and rolling courses.
- Lightweight for Endurance: 1240g total weight tested for fatigue/wear, supports rider comfort over long distances with reduced rotational mass.
- Tubeless-ready: Compatible with modern high-volume road and gravel tires for optimized rolling resistance and puncture mitigation.
- Ceramic Bearing Hubs: Reduces friction, maintaining consistent low-drag performance with extended bearing lifespan—confirmed via ISO4210 endurance testing. Lower rolling resistance directly benefits speed on longer rides.
- Custom Fit: External width options (28/30mm) and axle compatibility with most modern road, endurance, and gravel bikes.
- Tradeoff: While 40mm is not as deep as aero-specific 50-60mm rims, it offers more predictable handling in windy conditions and versatility across terrains, which aligns with verified rider reviews for all-around performance and stability.
Model Comparison Table
| Feature | Bola ELT 40R | Bola CLA 60R | Typical 50mm Carbon |
|---|---|---|---|
| Rim Depth | 40mm | 60mm | 50mm |
| External Width | 28/30mm | 30mm | 25-28mm |
| Weight (±30g) | 1240g | 1390g | 1350-1450g |
| Tubeless Ready | Yes | Yes | Yes |
| Real-World Use | All-round, endurance, racing, gravel | Flat, fast courses | Mixed |
| Ceramic Bearings | Yes | No | Varies |
Frequently Asked Questions
Are 40mm deep 700C carbon disc brake wheels good for everyday road cycling and racing?
Yes, a 40mm rim depth offers an ideal balance of moderate aerodynamic gain and handling stability for daily road cycling and competitive racing, especially on mixed terrain or in variable wind conditions.
What’s the weight difference between this 40mm carbon wheelset and other tubeless disc brake wheels?
The Bola ELT 40R weighs 1240g ±30g per set, which is typically 100–200g lighter than most competitor 50mm tubeless disc wheelsets in the same category.
Will these 28mm or 30mm wide aero carbon wheels fit my road bike?
If your frame can accommodate 28–30mm external width, including at least a 21mm internal width, these wheels will fit most modern road, endurance, and gravel bikes with 700C clearance.
How do ceramic bearing hubs improve performance on lightweight carbon wheelsets?
Ceramic bearings in the BL240 hub system reduce rolling resistance and improve durability versus standard steel, delivering smoother rotation for longer rides with lower maintenance needs.
Is a 1240g carbon wheelset reliable and durable for long-distance rides?
Yes. ISO4210 compliance, fatigue and impact testing, plus a 24-month manufacturer's warranty, ensure reliability and structural durability on endurance rides.
