Features: Made of aluminum alloy material sturdy and durable in use. High intensity and not easy to break keeps reliable quality and long service life. Excellent shock-absorption and good grip performance skid-resistant. Easy to use and replace allows your ride scooter safely more enjoyable. Great replacement for M365 electric scooter. Specifications: Material: Aluminum Alloy Item Size: 17 * 17 * 4.5cm / 6.7 * 6.7 * 1.8in Item Weight: 590g / 20.8in Package Size: 25 * 25 * 2cm / 9.8 * 9.8 * 0.8in Package Weight: 594g / 21oz Package List: 1 * Rear Wheel Hub