Durable and Lightweight: The aluminum alloy wheel drive is carefully processed to enhance the edge of the rim, making it lightweight and powerful. Noise Operation: The bike motor has a powerful load bearing capacity and comfort, providing a noise riding experience, allowing you to fully enjoy your ride. Versatile Use: Suitable for DIY electric bikes, electric scooters, folding bikes, and more. Easy to maintain and install. Powerful Performance: The 48V500W rear drive motor provides strong power and stable acceleration, making your biking experience more enjoyable. Waterproof Design: The motor is equipped with a waterproof housing, ensuring its reliability and durability even in wet conditions. Item Type: Electric bike hub motor Material: Stainless steel, aluminium alloy Weight: Approx. 4050g / 142.9oz Rated Voltage: 48V Rated Power: 500W Position: Rear wheel Type: Gear motor Fork Open Gear(mm): About 142mm Waterproof: IP54 Applicable Wheel Size (inch): 16in, 20in, 24in, 26in, 27.5in, 28in, 29in, 700C, etc. Spoke Holes: 36 holes. 1 x Electric Bike Gear Motor. 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.