This motor inner gear is specifically designed for electric bicycles using 36 teeth brushless gear motors. It offers reliable performance and smooth power transmission, making it an ideal replacement part for worn or original gears. Engineered to fit a wide range of e-bike systems, this gear is suitable for 500W brushless gear motors. It is ideal for many common electric bicycle and e-bike conversion kits that use geared hub motors. Made from high-strength nylon, this gear delivers a good balance of durability, light weight, and low noise operation. Nylon reduces and mechanical noise compared to metal gears, providing a smoother and quieter riding experience. This inner gear is used inside the wheel hub motor of your electric bicycle. It works as part of the brushless geared system, transmitting torque from the motor to the wheel for efficient and stable power output. Thanks to the nylon material and precision manufacturing, the gear runs smoothly with low friction. This helps reduce motor noise, improves riding comfort, and can extend the service life of the motor assembly when properly installed. Color: As Shown Material: Nylon Package Contents: 1*electric vehicle gear set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.