Feature:1. Sprocket is made of high‑quality steel, strong and durable, has a long service life.2. With stable performance and high reliability, suitable for electric scooter.3. Convenient to use and with small size, easy to carry and store, very practically.4. The inner diameter is 29mm, with great workmanship, perfect replacement for the old one.5. Strict quality control and quality assurance, high safety factor, can be used with peace of mind.Specification:Item Type: 25H 47T SprocketMaterial: SteelWeight: Approx.150g/5.3ozInner Diameter: Approx. 29mm/1.1in Package List:1 x 25H 47T Sprocket