Brief description:

1.Model:520/528

2.aluminum 7075-T6

3.cnc machined

Detailed description:

1 .sprocket Model:520/528

2.Material:aluminum 7075-T6  Hardness:higher than HB150

3.Thickness:520 is 6mm 528 is7mm

4. surface treatment is anodizing,

5.7075 chainwheels can be customized according to your  requirement.

6.Because it is made by  CNC machining center,the  high concentricity of the product.