Feature:1. Aluminum Alloy Wheel Rim: The hub spoke motor features an aluminum alloy wheel rim that is carefully crafted to enhance the wheel's edge, resulting in a lightweight and high end design.2. Silent Operation: The electric bike motor provides powerful load capacity and comfort, offering a much quieter riding experience compared to other types of motors. Enjoy the pleasure of riding without any noise disturbance.3. Versatile Applications: Suitable for DIY electric bicycles, electric scooters, folding bikes, and more. Easy to maintain and compatible with various bike types, making it a versatile choice for customization.4. Waterproof and Durable: Designed with waterproof properties, allowing you to ride worry free even in rainy conditions. The motor is built to withstand the elements, ensuring long lasting performance and durability.5. High Power Brushless Gear Motor: Its 48V 500W rear drive configuration provides a powerful and efficient riding experience, making uphill climbs and long distance rides easier and more enjoyable.Specification:Item Type: Electirc Bicycle Gear Hub MotorRated Voltage: 48VRated Power: 500WPosition: Rear WheelMotor Type: Gear MotorDropout Width (mm): Approx. 135mmIP Rating: IP54Applicable Wheel Sizes (inch): 16in 20in 24in 26in 27.5in 28in 29in 700CSpoke Holes: 36 HolesMaterial: Stainless steel, aluminum alloyWeight: 3900g/137.6oz.Package List:1 x Motor