Features: Made of high-quality aluminum alloy, strong and wear-resistant, not easy to deform. Split design helps you install quickly, save time and effort, and won't damage the scooter. Fine workmanship, no jitter or deviation after installation, high safety for riding. Delivery includes necessary screws and tools for faster installation. It is compatible with PRO/PRO2 electric scooters. Only for solid tire. Specifications: Type: for M365,1S,Lite,MI3 / for PRO,PRO2(optional) Color: Red / Grey(optional) Material: Aluminum Alloy Item Size: 159 * 159 * 45mm/ 6.3 * 6.3 * 1.8in Package Size: 270 * 155 * 60mm/ 10.6 * 6.1 * 2.4in Package Weight: 1.0kg/ 2.2lb Packing List: 1 * Wheel Hub 1 * Axle 2 * Bushing 8 * Screw 1 * Wrench