Performance: The maximum efficiency of the motor can 84%, effectively improving the performance of electric motorcycles, and solving problems such as slow climbing. High Speed: Motor rated power up to 5000W, the speed is 1850 Rpm, powerful efficiency to meet your daily use. Waterproof Design: IP54 waterproof design enhances the durability of the motor, allowing you to have an excellent using effect. Reliable Material: Wheel hub motor is made of high strength aluminum alloy material, which is firm, precise, safe and durable, not easy to break. Application: Wheel hub motor is suitable for most electric motorcycle, electric off road vehicle, electric bicycle, scooter, go kart, etc. Product Specification: 12inch Rated Voltage (V) : 48-120V Rated Power (W) : 500W-5000W Rated Speed (km/h) : 50-120 Motor Speed: 1850 Rpm Maximum Efficiency: 84%. Cable Position: Right side of shaft center For Hall Sensor: Yes Salt Spray Test: 24/96 Noise (db). Waterproof Grade: IP54 Magnetic Pole: 15. Application: Suitable for most electric motorcycle, electric off road vehicle, electric bicycle, scooter, go kart, etc. 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.