Sprocket size: Rear sprocket diameter is 145 mm; inside diameter is 29 mm.Number of teeth: 72T.
MATERIAL: The sprocket gear itself is made of high quality steel, heat-treated for high strength, excellent corrosion resistance, unique radius curve, wear-resistant to prolong the use of the chain.
Features: Advanced tooth profile, concentricity and fit accuracy provide maximum power transmission and longest service life.
Compatibility: This sprocket is fit for Electric Scooter Electric Bicycle Karts Car Motorcycles Sprocket.
INSTALLATION: This electric scooter engine sprocket is easy to install, can directly replace the old sprocket, only need simple tools to complete the installation.