Engine Chain Sprocket 420 14 Teeth for 50cc 90cc 110cc 125cc Chinese ATV Dirt Bike Quad TaoTao Roketa Sunl Brand new front chain sprocket Fit most 50cc 90cc 110cc 125cc Chinese ATVs, dirt bikes, and quads This sprocket has 14 teeth and is compatible with the 420 chain only #420 chain used on ATVs usually with a 7 inch rear wheel or smaller. Include bolts and mount