1. Tire Size: The tire size is 2.5?10, the tire width is about 65mm/2.56in, and the rear wheel is suitable for axle diameter 12mm/0.47in. 2. Wheel Assembly: This is an assembly rear wheel that provides complete tire, inner tube, bearing, inner spacer, sprocket and disc. 3. Weight Reduction: The original rear wheel can be converted into this mini wheel to reduce the weight of the body and improve the riding experience. 4. Wear The rear wheel assembly is made of rubber and metal materials, with strong friction, strong grip and it is abrasion . 5. Applicable : Motorcycle rear wheel assembly has a wide range of applications, suitable for dirt bike, motorcycles, , etc. Spec: Item Type: Rear Wheel Assembly Material: Rubber + Metal Tire Size: 2.5-10 Suitable for Axle Diameter: Approx. 12mm/0.47in Tire Width: Approx. 65mm/2.56in Applicable : Dirt Bike, Motorcycles, , etc. PackageList: 1 xRear Wheel Assembly