Features: 1.Function: Provide greater power transmission, better transmission performance for vehicle operation, provides smooth running capability with long lifespan. 2.Premium Material: The use of carbon steel materials, heat treatment to increase wear resistance and strength, professional manufacturing, exquisite workmanship, long service life. 3.Features: Stable performance, excellent performance, high reliability, suitable for sprocket replacement, maintenance, and upgrade with maximum power transmission. 4.Special Treatment: The surface of the durable sprocket is smooth after polishing. No worry about scratching your hands during installation, which can be used for a long time and is not easy to rust. 5.Fitment: Fits for TaoTao, tforce, Roketa, Coolster, Buyang, for Kymco, Kazuma, Sunl. And Chinese ATV, Dirt Pit Bike, Quad, 4 wheel Go Kart, trike, motorcycle. Specification: Item Type: Chain Sprocket_x000D_ Material: Carbon steel_x000D_ Installation Position: Front or rear_x000D_ Number of Gears: 40T_x000D_ Inner Diameter: Approx, 58mm/2.28in_x000D_ Sprocket Diameter: Approx. 208mm/8.19in_x000D_ Center to Center: Approx. 58mm/2.28in_x000D_ Thickness: Approx. 8mm/0.31in_x000D_ Fitment: Fits for TaoTao, tforce, Roketa, Coolster, Buyang, for Kymco, Kazuma, Sunl. _x000D_ And Chinese ATV, Dirt Pit Bike, Quad, 4 wheel Go Kart, trike, motorcycle.