Carbon Fiber Sporting Goods
Bola ULT 45R 700C Carbon Disc Wheelset – 45mm Road & Gravel Tubeless 1230g
Bola ULT 45R 700C Carbon Disc Wheelset – 45mm Road & Gravel Tubeless 1230g
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The Bola ULT 45R 700C Carbon Disc Wheelset brings high-performance for both road and gravel cycling, combining a 45mm aerodynamic rim depth with T800 unidirectional carbon construction and 1230g lightweight configuration. This wheelset is optimized for fast acceleration and stable handling over variable surfaces, meeting ISO 4210-7 and REACH compliance for quality assurance.
Explore the Bola ULT 45R 700C 45mm Carbon Disc Wheelset
- Rim Depth: 45mm
- Internal Width: 21mm or 24mm (choose based on tire clearance needs)
- External Width: 28mm or 30mm (supports 28–48mm tubeless tires, ideal for all-road use)
- Material: T800 UD matte carbon rim, BL180 hub with TPI ceramic bearings
- Spokes: 24F/24R Sapim CX-Ray stainless steel, 2-cross lacing
- Weight: 1230g per set (excludes tape/valves)
- Hubs: BL180, 54T ratchet, Center Lock disc, compatible with QR/12mm axles
- Tubeless Ready: Designed for 28–48mm tires, reliable puncture protection
- Certifications: ISO 4210-7, REACH
Comparison Table: Bola ULT 45R vs Leading Models
| Feature | Bola ULT 45R | Zipp 404 | Light Bicycle WR45 |
|---|---|---|---|
| Rim Depth | 45mm | 58mm | 45mm |
| Internal Width | 21/24mm | 23mm | 21mm |
| Weight (set) | 1230g | 1520g | 1405g |
| Spokes | Sapim CX-Ray | Sapim CX-Ray | Pillar Wing 20 |
| Certifications | ISO 4210-7, REACH | ISO, UCI | ISO |
Performance Use-Cases & Trade-Offs
- Road & Endurance: 1230g total weight offers strong climbing and acceleration response, ideal for group rides and races. Compared to heavier 45mm sets, Bola delivers better climbing efficiency while maintaining high-speed aero gains.
- Gravel: 28–48mm tire support and up to 30mm external rim width provide stability and lower rolling resistance over loose terrain. While wider models may offer marginally greater comfort, Bola’s balance of width and rim depth favors versatility and quick handling.
- Maintenance: TPI ceramic bearings and Sapim CX-Ray spokes reduce rotational friction and improve lifespan, but ceramic hub systems benefit from regular cleaning to prevent wear in harsh conditions.
Frequently Asked Questions
Are 45mm carbon disc wheels good for both road and gravel riding?
Yes, the Bola ULT 45R’s 45mm depth, 21/24mm internal width, and 28–48mm tubeless compatibility meet the needs of modern road and gravel cyclists, balancing aerodynamics, comfort, and tire stability across mixed surfaces.
What's the weight difference between 45mm and 30mm carbon wheelsets for gravel bikes?
The ULT 45R at 1230g matches or outperforms many lighter 30mm profile wheelsets (typically 1200–1350g), delivering aerodynamic benefit at no added weight penalty for endurance and competitive use.
Will a 45mm deep rim fit 28–48mm tubeless tires safely?
Yes, the 28mm or 30mm external width and tubeless design safely support 28–48mm tires. Always follow tire and rim fit compatibility by ETRTO standards for reliable performance.
How do Sapim CX-Ray spokes and TPI ceramic bearings improve performance?
Sapim CX-Ray stainless steel spokes minimize wind resistance and maximize durability, while TPI ceramic bearings reduce friction in the BL180 hubs, supporting smoother rolling efficiency and less maintenance over time.
Is a 1230g carbon wheelset worth it for lightweight road cycling?
Yes, a 1230g weight delivers a competitive edge for climbing and sprinting, keeping rotational mass low. Compared to similar-profile branded wheelsets, Bola ULT 45R achieves lightweight efficiency with proven quality certifications.
Exceptional Lightweight Design for Performance
The Bola ULT 45R 700C 45mm carbon disc wheelset stands out with its ultra-lightweight construction, weighing only 1230 grams. Crafted with high-grade carbon fiber, this wheelset combines strength and minimal weight to enhance acceleration and climbing efficiency on both road and gravel terrains. Its 45mm rim depth strikes the perfect balance between aerodynamic performance and responsive handling, making it suitable for varied riding conditions. This 45mm carbon disc wheelset helps deliver a smoother and faster ride without sacrificing durability or stability.
Tubeless Compatibility for Enhanced Ride Quality
This wheelset is designed with tubeless-ready rims that allow riders to benefit from lower tire pressures, reduced rolling resistance, and improved traction on uneven surfaces. The tubeless setup enhances comfort and decreases the risk of punctures, which is essential for long-distance road and gravel adventures. With reliable airtight technology, the Bola ULT 45R 700C 45mm carbon disc wheelset maximizes tire contact with the terrain, providing better grip and control under diverse riding conditions.
Durability and Precision Engineering
Built for both endurance and speed, the Bola ULT 45R features precision-engineered hubsets optimized for smooth engagement and lasting performance. The carbon rims are reinforced to withstand the stresses encountered in rough gravel routes while maintaining stiffness for efficient power transfer. This 45mm carbon disc wheelset ensures consistent braking performance with disc brakes, enhancing safety and control. Whether tackling technical trails or swift road rides, this wheelset offers a robust and reliable solution tailored to serious cyclists.
