Feature 1? 3500W Maximum Power: High power motor up to 3500W, with a maximum speed of 120KM/H, to meet the needs of various scenarios. 2? Powerful Motor: If you feel that the scooter is weak when climbing a slope and driving slowly, replace it with this motor, and immediately speed up to provide more power to solve the problem. 3? High Strength: Made of aluminum alloy, wheel hub motor is waterproof and rust proof, and can be used for a long time under the environment of high speed rotation. 4? Scope Of Application: 3500W wheel hub motor can be widely used for electric motorcycle, electric off road vehicle, electric bicycle, scooter, etc. 5? High Performance: With professional technology, the performance of the wheel hub motor is 30% higher than that of traditional motor. Item Type: Hub Motor Material: Aluminum Alloy Suitable for 14 inch tires Wheel motor outer diameter:appr. 27cm/10.6in Rated Voltage (V): 36V-72V Rated Power (W): 2000W-3500W Rated Speed (Km/H): 120 Motor Speed: 1850 Rpm Maximum Efficiency: 84% Cable Position: Right Side of Shaft Center Hall Sensor: Yes Salt Spray Test: 24/96 Noise (Db). Package List 1 x Hub Motor. 1 x Line Storage Accessory.