7075 anodized alloy
Compatible with Shimano,
Campagnolo and Sram (XO).
color :Black ,Gold,Red ,Blue ,SilverGreenanodized.
Anti-dust bearing cap with Patent Design
Teeth: 10T, 11T, 12T, 13T
Stainless Steel bearing for ultra durability.
Optional: Ceramic Bearing available / 9g