Weight Front 770 g Rear 920 g Wheelset weight 1690 g Rims Material: Maxtal Color: black anodised Height: front 22 mm, rear 25 mm Drilling: Fore Braking surface: UB Control Valve hole diameter: 6.5 mm Spokes Material: stainless steel Shape: straight pull, profiled Color: black or silver Nipples: M7 aluminum nuts with brake rings Count: front 18, rear 20 Lacing: front radial, rear Isopulse Hubs Front and rear body: aluminum Color: black Front and rear axle: aluminum Bearing: QRM+ Free wheel mecanism: FTS-L, steel Compatibility Tire: clincher ED10 (Campagnolo 9/10 Spd) or M10 (Shimano 8/9/10 Spd) Supplied with: Traditional aluminum quick releases, bearing adjustment tool (rear wheel), spoke wrench (rear wheel), spoke wrench for aerodynamic spokes (rear wheel), user guide and warranty card NOTE: We recommend checking your wheel for spoke tension after the first couple of rides as this allows for the "bed in" period where the spokes and nipples bed into the rim and hub. If you find the spokes have gone loose or the rim is not straight the wheel should be trued by a professional wheel builder.