Carbon Fiber Sporting Goods
Bola ULT 35G Carbon Gravel Wheelset 700C – Tubeless, 35mm Depth, 36mm Wide, 1220g, BL100 Hub
Bola ULT 35G Carbon Gravel Wheelset 700C – Tubeless, 35mm Depth, 36mm Wide, 1220g, BL100 Hub
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The Bola ULT 35G Carbon Gravel Wheelset delivers a lightweight 1220g build, 35mm depth, and a 36mm external width for optimal mixed terrain handling and efficiency. Key features include high-modulus T800 carbon rims, BL180 hubs with TPI ceramic bearings, and 24 Sapim CX-Ray spokes for reliable, race-ready performance.
Technical Specifications
- Rim Depth: 35mm
- Internal / External Width: 30mm / 36mm
- Material: T800 carbon rim, aluminum hub, stainless steel Sapim CX-Ray spokes
- Weight (wheelset): 1220g ±30g (without tape/valves)
- Spoke Count: 24 front / 24 rear (2-cross lacing)
- Hub: BL100 lightweight, TPI ceramic bearings, 54T ratchet, Center Lock,QR and 12x100/12x142mm compatible
- Tubeless Ready: Compatible with tubeless tires; optimized for 38–48mm tire profiles
- Certifications: ISO 4210-7, REACH compliant
- Warranty: 24 months limited
Performance for Mixed Terrain Riding
With its 35mm depth, the Bola ULT 35G balances aerodynamic efficiency and low rotational weight, enhancing climbing and stability across rough gravel or technical tracks. The 36mm wide rim supports wider gravel tires (38–48mm), delivering improved traction, float, and comfort over loose or rocky surfaces compared to narrower designs.
Comparison Table
| Spec | Bola ULT 35G | Typical Aluminum Gravel Wheelset |
|---|---|---|
| Weight | 1220g ±30g | 1550–1800g |
| Internal Width | 30mm | 23–25mm |
| Hub Engagement | 54T Ratchet TPI Ceramic | 18–36T, Steel Bearings |
| Tubeless Ready | Yes | Yes/Optional |
Use Cases & Relevant Trade-offs
- Gravel Racing/Adventure: Lightweight yet durable build, ideal for gravel endurance events and technical courses.
- Mixed Terrain: Wide internal rim, supports 38–48mm tires for maximum traction, comfort, and drop-bar control off-road.
- Long-Distance Rides: While carbon increases efficiency and reduces fatigue, do inspect for rim impact if riding ultra-rough routes.
Frequently Asked Questions
Are 35mm deep carbon gravel wheels better for mixed terrain riding?
Yes. The 35mm depth of the Bola ULT 35G optimizes weight and stability for climbing, descending, and handling on mixed and technical gravel, compared to higher-profile rims, with less vulnerability to crosswinds.
How does a 1220g tubeless carbon gravel wheelset compare to aluminum alternatives?
The Bola ULT 35G is typically 300–500g lighter, improving acceleration and reducing fatigue on climbs, while advanced carbon layup maintains strength for harsh conditions.
What’s the ideal tire width for 36mm wide carbon gravel wheels?
The 36mm external (30mm internal) rim width supports optimal tire profiles between 38–48mm, improving grip, float, and handling on variable terrain.
Is a 54T ratchet TPI Ceramic bearing hub good for gravel bike performance and reliability?
The 54-tooth engagement and ceramic bearings provide quick power transfer, improved rolling efficiency, and reduced maintenance over long distances compared to standard steel hubs.
Are lightweight carbon wheelsets worth it for long-distance gravel rides?
If you prioritize reduced fatigue and efficiency on challenging routes, the Bola ULT 35G's low weight and high stiffness provide noticeable improvements, but always consider rim protection for extremely rocky conditions.
