Weight Front 840 g, Rear 970 g Wheelset weight 1810 g Rims Material: Maxtal Color: double anodised, black rim, silver ISM Internal width: 19 mm Joint: SUP Drilling: Fore Disc brake specific profile: no braking surface Milling: ISM Valve hole diameter: 6.5 mm Spokes Material: stainless steel Shape: straight pull, profiled Color: black Nipples: M7 aluminum nuts with brake rings Count: front and rear 24 Lacing: front and rear crossed 2 Hubs Front and rear body: aluminum Color: black Front and rear axle: steel Bearing: QRM Free wheel mechanism: FTS-X, steel Compatibility Tire: UST Tubeless and tubetype Disc brakes: International Standard M10 Supplied with: Traditional aluminum quick releases, UST valve and accessories, 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.