



RaceLab GR50 Gravel Wheels
Description
Deep Speed. Wide Control. Built for Gravel.
The RaceLab GR50 is a 50mm deep carbon gravel wheelset engineered for riders who want speed, control, and confidence across demanding terrain. With a 30mm internal width and 37mm external width, the GR50 supports modern 40–65mm gravel tires, combining aerodynamic efficiency with the traction, comfort, and stability needed for fast gravel racing. It takes our WR60's aerodynamics to the widths of higher-volume gravel racing tires.
Advanced Carbon. Purpose-Built Performance.
Constructed using Toray carbon fiber and a high-impact resin system, the GR50 balances low weight, stiffness, and durability for rough terrain. At just 1340g per set, its deep-section profile delivers a responsive, performance-focused platform without unnecessary weight.
Precision From Rim to Hub.
Built with 24 Sapim CX-Ray bladed spokes per wheel and Rotation Engineering Axis Pro hubs featuring a 36T ratchet engagement system, the GR50 delivers dependable power transfer and responsive acceleration. The hooked tubeless-ready rim provides secure tire support and flexibility across a wide range of gravel conditions.
From fast hardpack to technical, unpredictable terrain, the RaceLab GR50 is built for riders who demand speed they can trust.
Specifications
Depth: 50mm
Rim Type: Hooked, tubeless ready (TLR)
Spoke Count: 24h front / 24h rear
Internal Width: 30mm
External Width: 37mm
Construction: Toray carbon fiber
Resin System: High-impact resin
Spokes: Sapim CX-Ray bladed
Set Weight: 1340g
Recommended Tire Width: 40–65mm
Includes: Tubeless tape and valves
Hubs: Rotation Engineering Axis Pro w/ ceramic bearing upgrade or custom option (for additional price)
Engagement: 36T ratchet
Driver Options: HG, XDR, Microspline (MS)
Axle Standards: 100×12mm front / 142×12mm rear
Rotor Mount: Centerlock

