Carbon Fiber Sporting Goods
Bola ULT 50R 700C Carbon Disc Wheelset – 50mm, 21/24mm Tubeless, 1250g Lightweight
Bola ULT 50R 700C Carbon Disc Wheelset – 50mm, 21/24mm Tubeless, 1250g Lightweight
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The Bola ULT 50R 700C Carbon Disc Wheelset delivers a balance of advanced aerodynamics, low weight (1250g), and multi-surface compatibility, making it suitable for both road racing and gravel riding. Built with T800 unidirectional matte carbon fiber rims, Sapim CX-Ray stainless steel spokes, and BL180 hubs featuring TPI ceramic bearings and a 54T ratchet system, the wheelset supports 21mm or 24mm internal widths and 28–48mm tubeless tires. This combination enables rapid acceleration with reduced rolling resistance and proven fatigue reduction—even during long endurance events.
Unmatched Performance with the 50mm Carbon Disc Tubeless Wheelset
- Rim Depth: 50mm, mid-profile for aerodynamic gains
- Internal Rim Width: 21mm or 24mm; External: 28mm or 30mm
- Recommended Tire Size: 28mm–48mm, optimized for modern tubeless
- Wheelset Weight: 1250g (set, excluding tape and valves)
- Spoke Count: 24 front & rear (2x lacing)
- Hub: BL180 alloy, TPI ceramic bearings, 54T ratchet, Center Lock, 12x100/12x142mm & QR
- Compliance: ISO 4210-7 road safety, REACH materials
Performance & Use Case Comparison
| Feature | Bola ULT 50R | Typical Alloy 50mm | Peer Carbon 50mm |
|---|---|---|---|
| Weight | 1250g | 1550-1800g | 1200-1350g |
| Internal Width | 21/24mm | 17-19mm | 21-25mm |
| External Width | 28/30mm | 23-25mm | 28-31mm |
| Tubeless Ready | Yes | Rare | Yes |
| Axle Options | 12x100/12x142/QR | Quick release | 12x100/12x142/QR |
Real-World Performance Insights
- 50mm profile provides significant aero advantage for group rides and racing
- Wide internal width enhances tire support for mixed surfaces, supporting both 28–32mm road and 35–48mm gravel tire setups
- 1250g total set minimizes rotational mass for fast climbing and accelerations
- Ceramic bearings reduce drag and support high-output efforts over long distances
- Tubeless-ready construction decreases risk of flats and improves ride quality at lower pressures
- Certified to ISO 4210-7 and REACH for validated safety and sustainability
Frequently Asked Questions
Are 50mm carbon disc wheels good for both road race and gravel riding?
Yes, Bola ULT 50R is designed with versatile rim widths and tubeless compatibility for optimal performance on both road and gravel. Its 50mm profile offers aerodynamic efficiency for road races while the broader internal width supports stability on rough terrain.
What are the benefits of tubeless ultralight carbon wheelsets for competition rides?
Tubeless-ready, lightweight carbon wheelsets such as Bola ULT 50R lower rolling resistance, offer improved traction at reduced tire pressures, and reduce flat risk—beneficial for endurance and race conditions.
How does a 1250g 700C wheelset compare to other lightweight options?
At 1250g per set, Bola ULT 50R ranks among the lighter carbon wheelsets available, supporting faster accelerations and reduced fatigue compared to standard alloy or heavier carbon designs.
Is 28mm or 30mm wide rim better for 28–48mm tires?
28mm is suited for 28–32mm road tires with aerodynamic focus, while 30mm provides better sidewall support and stability for wider 35–48mm gravel tires.
What’s the best carbon wheelset for improving acceleration and reducing fatigue?
The Bola ULT 50R utilizes T800 carbon layup and Sapim CX-Ray spokes to lower inertia, coupled with ceramic hubs for decreased friction—contributing to responsive acceleration and minimized long-ride fatigue, proven by race/statistical comparisons versus similar-class wheelsets.
Lightweight and Aerodynamic Design
The Bola ULT 50R 700C carbon disc wheelset stands out with its perfect balance of lightweight construction and aerodynamic efficiency. Weighing just 1250 grams, this 50mm carbon disc tubeless wheelset is engineered to reduce drag while maintaining structural strength and durability. Its 21/24mm rim width optimizes tire profile and improves tubeless tire compatibility, giving riders enhanced grip and reduced rolling resistance. Ideal for competitive cyclists, this wheelset delivers superior speed and control on any terrain.
Optimized Tubeless Compatibility for Enhanced Ride Quality
Designed specifically as a 50mm carbon disc tubeless wheelset, the Bola ULT 50R offers exceptional tubeless tire support with its precise 21mm internal and 24mm external rim widths. This configuration ensures easy tire installation, improved air retention, and a smoother ride by allowing lower tire pressures without the risk of pinch flats. Cyclists benefit from better shock absorption and increased traction, making it a perfect choice for long rides and variable road conditions.
Durability and Precision Engineering for Perfect Handling
The Bola ULT 50R combines high-quality carbon fiber with expert craftsmanship to create a reliable and stiff 50mm carbon disc tubeless wheelset. Its robust build ensures excellent lateral stiffness for precise cornering and stable braking performance on disc brake systems. The wheelset is optimized for 700C road bikes, providing consistent power transfer and enabling riders to maintain high speeds without compromising safety or comfort.
