Complete gear assembly for the TSDZ8 electric motor includes the main nylon gear, shaft, two bearings, and a metal gear. Precisely manufactured, it ensures smooth and quiet power transmission, enhancing the efficiency and durability of the entire system. The metal gear is integrated with the shaft for increased strength, while the large nylon gear is mounted on the shaft, ensuring optimal motor performance. This is a reliable service and maintenance component that enables long-lasting and trouble-free use of electric bikes equipped with the TSDZ8 drive system.