● Electric bicycle motor gear, toothed planetary gear, suitable for motor ● This gear is nylon + metal which is not easy to deform, and can be used with confidence ● Portable design: The gear is small in size, light in weight and easy to carry ● This gear with 36 teeth can help you better control your products, with fine workmanship and long service life ● Time-saving and labor-saving: The gear is no complicated operations, time-saving and labor-saving, Manufacturer: XIAOQENAN