We are professional motorcycle aluminum sprocket manufacturer,Supplier and Exporter in China (CN). Our Motorcycle Aluminum Sprockets including: Motorcycle Alumiunm Sprockets, ATV Aluminum Sprockets, Scooter Aluminum Sprocket and Motorcycle Front Sprockets, Motorcycle Rear Sprockets; They are fitting with all of the model motorcycle chains, such as: 25H (04CH), 415, 415H, 420, 420H, 428, 428H, 520, 520H, 530, 530H, 05MA, 05MB, 05MC, 06MC etc. High Qulity Alloy Aluminum (7075 T6) Produced