Feature: 1. Special designed for MY1016 / MY1025 high‑speed motor, wonderful accessory. 2. Made of high quality steel, high hardness, good wear resistance and durable to use. 3. Small in size and light in weight. Very easy to install and smoothly in performance. 4. 9 Tooth sprocket, wonderful replacement for the old or broken one, directly fitment. 5. Professional manufacturing, stable characteristics, great accessory for electric scooter use. Specification: Condition: 100% Brand New Item Type: 9T Sprocket Material: Steel Diameter: Approx. 40mm / 1.57in Hole Position: 8D Hole Diameter: 8mm/0.3in Package List: 1 x 9T Sprocket