It's abrasion resistance is 3 times times that of an ordinary sprocket.
Description
Product Description
Material: 20CrMnTi forged carburized
It's abrasion resistance is 3 times times that of an ordinary sprocket.
Size
Installation size: 21.7*25mm;
Number of internal teeth:13T;
Number of external teeth: 520-13T/520-14T/520-15T;
Total thickness: 6mm;