Bola PRO 50G 700C Carbon Disc Wheelset – 50mm Depth, 34-38mm Wide, Ceramic Hub, Foil Carbon Spokes
Bola PRO 50G 700C Carbon Disc Wheelset – 50mm Depth, 34-38mm Wide, Ceramic Hub, Foil Carbon Spokes
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The Bola PRO 50G 700C carbon disc wheelset offers 50mm deep, wide-profile T800 carbon rims with a lightweight build (1250–1290g per pair) and integrated foil carbon spokes. Designed for mixed road, gravel, and cyclocross use, it features a ceramic-bearing hub with a 54T ratchet for rapid engagement and is compatible with 28–50mm tubeless tires. ISO 4210-7 and REACH compliant, this wheelset balances aerodynamic efficiency, stiffness, and multi-terrain durability at accessible pricing for motivated riders and B2B partners.
Key Features & Specs
- Rim Depth: 50mm T800 UD matte carbon fiber
- Rim Width: Internal 28/30/32mm, External 34–38mm
- Weight (Pair): 1250g (28/30mm) / 1290g (32mm), excluding tape and valves
- Spokes: 20/20 straight-pull foil carbon (2-cross lacing)
- Hub: Aluminum BL240, ceramic bearings, 54T ratchet, Center Lock, 12x100/12x142mm
- Tubeless Compatibility: Supports 28–50mm tubeless tires
- Certifications: ISO 4210-7, REACH compliance
- Warranty: 24-month manufacturer warranty, global crash replacement support
How it Compares
| Feature | Bola PRO 50G | Typical High-Performance Model* |
|---|---|---|
| Rim Depth / Width | 50mm deep, 28–32mm internal / 34–38mm external | 50mm deep, 22–25mm internal / 28–32mm external |
| Material | T800 UD matte carbon fiber | T700/T800 or T1000 carbon |
| Weight (Pair) | 1250–1290g (excl. tape/valves) | 1200–1300g |
| Spoke Type | 20/20 foil carbon, 2-cross | Stainless steel or alloy aero spokes |
| Hub Bearings | Ceramic bearings, 54T ratchet | Stainless steel or ceramic, 36–54T ratchet |
| Tubeless Ready | Yes (28–50mm) | Yes (25–55mm) |
| Certifications | ISO 4210-7, REACH | ISO/CEN, REACH |
| Warranty | 24 months, crash replacement | 12–36 months, varies |
| Price Position | Factory-direct, cost-effective | High brand premium |
*Typical high-performance models: Zipp 303 Firecrest, Hunt 50 Carbon, HED Stillwater G50. All data based on published industry specs.
Recommended Use Cases
- All-road cycling: Upgrade for endurance and sport road bikes using 700C disc setups
- Gravel adventures: Wide-profile rim supports 35–50mm gravel tires for mixed terrain and off-road performance
- Cyclocross racing: Stiff carbon structure and ceramic hub enable precise handling and rapid acceleration
- Bikepacking or lightweight touring: Stable aerodynamic wheels for carrying gear over varying surfaces
- B2B business: Ideal for local bike shops and resellers seeking reliable, cost-effective carbon wheelsets for diverse customer needs
Frequently Asked Questions
Are 50mm deep carbon gravel wheels suitable for both road and cyclocross riding?
Yes. The Bola PRO 50G’s 50mm deep, 28–32mm wide rims balance aero efficiency for high-speed road cycling with increased tire stability and control for gravel and cyclocross. They’re compatible with 28–50mm tires, supporting versatile use across multiple disciplines.
How do foil carbon spokes compare to steel spokes for gravel wheelsets?
Foil carbon spokes are lighter and stiffer than standard stainless steel spokes, which helps reduce rotational mass for quicker acceleration and improved directional stability on rough terrain. They’re more resistant to fatigue but require precise maintenance compared to metal spokes.
What are the benefits of ceramic hubs in lightweight carbon wheelsets?
Ceramic hub bearings lower rolling resistance and improve power transfer efficiency, especially under sustained load. They’re less susceptible to corrosion and offer longer service intervals, although servicing may require specialized tools.
Is a 1250g wheelset with 34-38mm outer width good for wide tires on rough gravel?
The combination of sub-1290g weight and 34–38mm external rim width is optimal for wide gravel tires (35–50mm). This pairing enhances ride comfort, puncture resistance, and control, even on loose or uneven surfaces.
Best tubeless-ready wheelset for road and gravel bikes with disc brakes?
The Bola PRO 50G supports 28–50mm tubeless tires on disc brake bikes and is engineered for reliable mixed-terrain performance with a robust hub and rim design. It is positioned as a cost-effective, rigorously tested alternative to premium brands.
