Shimano Sprocket for Dura-Ace CS-R9100 11-speed 12-25 / 12-28

Shimano sprocket Dura-Ace CS-R9100 - 12 tooth for 12-25 and 12-28This Shimano sprocket (12 tooth) is compatible with Dura-Ace CS-R9100 11-speed cassettes in 12-25 and 12-28 gradations. It is made of steel and comes with a built-in spacer. It can also be us