Details Campagnolo Cassette Lockrings 9/10 speedThe 11T/12T 9/10X Cassette Lockrings are replacement parts for Campagnolo equipment for 9 and 10 speed cassettes.Make sure you check what tooth your first sprocket is so that you can enjoy a perfect fit. If confused remember that 11T is for 11 tooth first sprocket and 12T is for 12 or 13 tooth first sprocket.Campagnolo Cassette Lockrings 9/10 speed Extra Info Suitable for Campagnolo kit 11T – 11 tooth first sprocket 12T – 12 or 13 tooth first sprocket Compatible for 9 and 10 speed cassettes
