The electric scooter motor tire is stable and b, great replacement for your old and damaged tire to prolong your electric scooter service life. Specifications: Material: Rubber + Metal Power: 350W Voltage: 36V Speed: 580rpm Current: 12A Max. Climbing: 15-20° Item Size: 20.5 * 20.5 * 5.5 cm / 8.1 * 8.1 * 2 in Item Weight: 2857 g / 6.3 lb Package Size: 24 * 24 * 13 cm / 9.4 * 9.4 * 5.1 in Package Weight: 3108 g / 6.8 lb Package List: 1 * Engine Motor