Want to try gravel riding before buying a gravel bike? At PROGRESS, we set no limits! Here we provide a solution for MTB lovers who want to convert their MTB into a Gravel bike with carbon wheels. With the G40 MTB-GRAVEL we offer a solution for MTB lovers who want to convert their MTB into a Gravel bike with carbon wheels. These carbon gravel wheels are designed for exploring diverse terrains while remaining very lightweight. They feature an extra-wide 24mm rim for impact resistance and to accommodate wide tires. The 40mm concave rim profile improves aerodynamics for maintaining good speed on the road. All of this, combined with our Nitro MTB hubs featuring high-precision, low-friction ceramic bearings and Sapim Race Straight Pull spokes, gives these wheels superior lateral stiffness, transforming all your effort into greater speed. Compatible with MTB cassette systems: Sram XD/Shimano HG/Microspline. Available sizes: 700c Rim material: Carbon Multilayer Finish: UD Carbon Fiber – Hookless Profile: 40mm Inner Width: 24mm Outer Width: 32mm Tire Compatibility: Clincher, Tubeless Ready Hubs: Nitro MTB 30 Teeth 3 Pawls Bearings: Double sealed Coaxial Ceramic Braking system: IS6 Front axle 15×110 Rear axle: 12×148 Hubs: Shimano HG / Sram XD / Microspline Spokes: Sapim Race Straight Pull Weight (g): 1620 Colors: Gray