cd70 gear/420-14t sprocket chain/rx king sprocket

Product description 

1) .Motorcycle sprocket type is 420,428,520,530 and so on

2).Material have A3 and 45# steel

3).Thickness is 6.8~7.0

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

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