Feature: 1. ALUMINUM RIM: The electric bike hub motor adopts aluminum alloy rims, which not only makes the whole wheel lighter but also improves the high end appearance through careful processing. 2. NOISE FREE RUNNING: This electric bike hub motor has strong carrying capacity and comfort. Compared with other types of motors, it runs more noiselessly, allowing you to fully enjoy a quiet riding experience. 3. MULTIPLE APPLICATION SCENARIOS: The electric bike hub motor is suitable for DIY electric bike, electric scooter, folding car and other types of transportation. 4. REAR WHEEL POSITION: The mounting position is on the rear wheels, which provides better maneuverability and balance and reduces the risk of stress and skidding on the front wheels. 5. APPLICABLE WHEEL SIZES: The electric bike hub motor is suitable for a wide range of wheel sizes, including 16 inch, 20 inch, 24 inch, 26 inch, 27.5 inch, 28 inch, 29 inch and 700C. Specification: Item Type: Electric Bike Hub Motor Material: Stainless Steel, Aluminum Weight: Approx. 4000g / 141.1oz Rated Voltage: 36V Rated Power: 500W Position: Rear Wheel Type: Gear Motor Rear Fork Open File (mm): Approx. 142mm / 5.6in Applicable Wheel Size (inch): 16inch, 20inch, 24inch, 26inch, 27.5inch, 28inch, 29inch 700C, Etc. Spoke Hole Number: 36 Holes. Package List: 1 x Electric Bike Hub Motor