... Exporter in China (CN). Our Motorcycle Aluminum Sprockets including: Motorcycle Alumiunm Sprockets, ATV Aluminum Sprockets, Scooter Aluminum Sprocket and Motorcycle Front Sprockets, Motorcycle Rear ... , 530, 530H, 05MA, 05MB, 05MC, 06MC etc. High Qulity Alloy Aluminum (7075 T6) Produced!