Powerful Performance: With precise position and speed feedback mechanisms, hub motor provides flexibility, smoothing out rides and facilitating uphill climbs, enhancing overall ride experiences. High Stability: With 300W-500W high powered design, the motor ensures speedy movement with unparalleled stability and control, making every journey swift yet secure for riders. Vacuum Tires: Compared to traditional tires, they have good puncture resistance, lower friction and better shock absorption, enhancing driving stability and speeds while ensuring safety. Silent Operation: Wheel hub motor provides almost silent operation, which adds to a noise, comfortable riding experience. Item Type: Wheel Hub Motor Material: Aluminum Alloy Product Size: 14inch Rated Voltage: 36-60V Rated Power: 300W-500W Rated Speed: 30-45 km/h Motor Speed: 1850 RPM Maximum Efficiency: 84% Cable Position: Right Side of Shaft Center Hall Sensor: Yes Salt Spray Test: 24/96 Noise (db). Applicable for Electric Motorbike, Electric Off-Road Vehicle, Electric Bicycle, Scooter, Go Kart, etc. 1 x Wheel Hub Motor 1 x Accessory Pack (including 13 accessories). The dimensions on the size chart are without tires. Please read the instructions carefully before purchasing. Professional installation is highly recommended. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.