Product Description
1.Motorcycle sprocket type is 420,428,520,530 and so on
2.Material have A3 and 45# steel
3.Thickness is 6.8~7.0mm
4.Surface technology is polish, sand plating ,CNC line and so on
5.Surface treatment is zinc plating ,chrome plating,nickle plating
6.Weight for one set is about 0.8kg
7.Teeth number arrange 13t~17t,28t~60t
8. Heat treatment:
High frequency heat treatment (45#steel ), quenching/ carburization(A3 steel ), Mesh-belt heat treatment
