Feature:1. Waterproof and Lightweight: Made of premium aluminum alloy, light weight and more load bearing, high waterproof rust resistance hardness, to ensure its long term stable use in outdoor environment.2. Super Power Output: Brushless DC wheel motor with 15004000w super power, not only ensures fast speed, but also has better stability and controllability.3. Powerful Performance: Our hub motors use efficient and advanced electronic control technology, with excellent power and acceleration performance, so that you can ride smoother and climb easier.4. Quiet Operation: With a low noise design, the brushless motor is almost noiseless during operation, allowing you to have a comfortable riding experience.5. Enhance Riding Pleasure: Whether for daily commuting or recreation, the wheel motor provides you with unparalleled driving pleasure by effectively increasing the speed of riding.Specification:Item Type: Brushless DC Hub MotorMaterial: Aluminum Alloy + RubberSize: 11 inchesMaximum Efficiency: 94Voltage: 48-72VPower: 1500-4000WSpeed: 50-100KM/HSensor: for HallWaterproof Grade: IPX6Maximum Torsion: 55N.MMagnet Poles: 15Applicable: Electric Motorcycle, Electric Scooter.Package List:1 x Hub Motor1 x Accessory Pack (including 7 accessories)