Technical specifications: Rims Material: 6106 Aluminum Color: black anodised Internal width: 25 mm Joint: pinned Drilling: traditional Eyelet: single Disc brake specific profile: no braking surface Valve hole diameter: 8.5 mm Spokes Material: stainless steel Shape: straight pull, round Material: stainless steel Shape: straight pull, round Color: black Nipples: ABS, brass Count: front and rear 32 Lacing: front and rear crossed 3 Hubs Front and rear body: aluminum Color: black Front axle: aluminum Rear axle: steel Bearing: QRM+ Free wheel mecanism: FTS-L, steel Compatibility Tire: clincher Disc brakes: International Standard HG 8/9-speed Supplied with Fixing nuts, rim tape, 20 mm adapters only, bearing adjustment tool (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.