Shimano Sprocket for Dura-Ace CS-7800 / CS-7900 10-speed, 11/12/13 Tooth

Shimano sprocket for Dura-Ace CS-7800 and CS-7900 - 11, 12 or 13 toothThis Shimano sprocket is a common spare part for the Dura-Ace CS-7800 and CS-7900 10-speed cassettes. It comes with an integrated spacer and 11, 12 or 13 teeth. Ultegra CS-6600 and Ulteg