Bola ULT 45G 700C Carbon Disc Wheelset – 45mm Aero Tubeless Road/Gravel, 1230g
Bola ULT 45G 700C Carbon Disc Wheelset – 45mm Aero Tubeless Road/Gravel, 1230g
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The Bola ULT 45G 700C Carbon Disc Wheelset delivers 45mm aerodynamic performance for both road and gravel use, with wide internal rim options and a lightweight 1230g set weight. Factory-direct T800 carbon construction and certified TPI ceramic-bearing hubs are designed for optimal speed, reliability, and versatile terrain adaptation, providing a cost-effective alternative to mainstream brands—suited for cyclists who demand balanced performance and global after-sales support.
Key Features & Specs
- Rim Depth: 45mm aerodynamic profile, stable for crosswinds
- Internal Width: Choose 28mm, 30mm, or 32mm for tire compatibility (supports 28–50mm tubeless tires)
- External Width: 34mm, 36mm, or 38mm for modern wide tire support
- Material: T800 unidirectional matte carbon fiber rim, lightweight and durable
- Hub System: BL1 alloy hub, TPI ceramic bearings, 12x100 / 12x142mm thru-axle and QR compatibility
- Spokes: 24 front / 24 rear, Sapim CX-Ray stainless steel, 2-cross lacing
- Weight: 1230g per set (excluding tape and valves)
- Certification: ISO 4210-7, REACH compliant
- Warranty: 24-month global support
How it Compares
| Feature | Bola ULT 45G | Performance Model* |
|---|---|---|
| Rim Depth / Profile | 45mm (aero) | 40–45mm (aero) |
| Internal Width | 28 / 30 / 32mm | 25–28mm |
| Material | T800 UD Carbon | T700/T800 Carbon |
| Hub Bearings | TPI Ceramic | Ceramic Grade 3 |
| System Weight | 1230g | 1320–1450g |
| Warranty | 24 months (global) | 24–36 months |
| Certifications | ISO 4210-7, REACH | UCI, ISO 4210 |
*Performance Model: Representative of Hunt 44 Aerodynamicist / Zipp 404 / Light Bicycle WR45
Recommended Use Cases
- Road cyclists seeking aerodynamic gains and stable handling on mixed terrain
- Gravel riders needing wide tire support (28–50mm) and strong rim structure for endurance rides
- Amateur racers and triathletes looking for lightweight, responsive wheel upgrades
- Upgrade option for disc brake road and gravel bikes compatible with 12x100 / 12x142mm or QR axles
- Cyclists valuing global warranty and post-sale technical support
Frequently Asked Questions
Are 45mm carbon wheels suitable for both road and gravel riding?
Yes, the Bola ULT 45G features a 45mm rim depth and wide internal width options, offering aerodynamic benefits for road cycling and stability for gravel conditions. It is compatible with 28–50mm tubeless tires, covering a wide range of mixed-surface scenarios.
What is the advantage of T800 unidirectional carbon fiber?
T800 unidirectional carbon fiber provides high tensile strength and stiffness at a low weight, resulting in durable rims that optimize power transfer without unnecessary mass for both road and gravel use.
How does the wheelset compare in weight and performance with other 45mm disc wheelsets?
The Bola ULT 45G weighs 1230g per set, lighter than many mainstream competitors in the 45mm segment, enabling faster acceleration and easier climbing while maintaining stability and appropriate stiffness for high-speed use.
What are the main maintenance requirements?
Regularly clean the carbon rims and hubs with mild soap and inspect spoke tension every 3,000km. Lubricate TPI ceramic bearings as specified for optimal performance. Avoid abrasive cleaners to protect the finish.
What warranty and after-sales service does Bola provide?
Every Bola ULT 45G wheelset is covered by a 24-month limited warranty with global support, including official after-sales guidance for riders and business partners.
