... . Our motorcycle sprocket detail informations:ItemMotorcycle sprocket , gears, motorcycle chain wheel ,motorbike chain sprocketModel415 420 428 428H 520 530 TeethFront 13T 14T ... treatment Polishing, Sandblasting, Galvanized, Cr-plating, Electrophoresis, painting……etcPacking Plastic film, plastic bag, Bubble bag, Color Box, Blister card…… etc Main market ...