Feature: 1. Specially designed for MY1016 / MY1025 high speed motor, what's more, it is equipped with exquisite accessories. 2. Made of high quality steel, high toughness, good wear resistance and durability. 3. Small size, light weight, and it is very easy to install and has a good performance. 4. 9T sprocket, perfect replacement for old or broken sprocket, which can be used directly. 5. Professional manufacturing, stable performance, there is no doubt that it is the best accessories for electric scooter. Specification: Item Type: 9T Sprocket Weight: Approx.18g / 0.6oz Material: Steel Product Inner Diameter: 10mm / 0.4in Package List: 1 x Sprocket