Shimano Sprocket for Dura-Ace CS-9000 11-speed 12-25 / 12-28

Shimano sprocket Dura-Ace CS-9000 / CS-9100 - for 12-25 and 12-28 gradationsThis Shimano sprocket fits into Dura-Ace CS-9000 11-speed cassettes with 12-25 and 12-28 gradations. The CS-R9100 cassette is also compatible. The sprocket is made of steel and has