motorcycle sprocket and chain

1.Motorcycle sprocket type is 420,428,520,530 and so on
2.Material have A3 and 45# steel
3.Thickness is 6.8~7.0
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,34t~60t
motorcycle sprocket and chain