Shimano Dura-Ace CS-7800 Sprocket - 15T - Y1Z81500D

For use with Shimano Dura-Ace CS-7800 10 speed 11-21T, 11-23T, 12-21T, 12-23T, 12-25T & 12-27T cassettes.

This Sprocket can also be used on the following cassettes:

- Shimano Ultegra CS-6700
- Shimano Ultegra CS-6600

These are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

If the correct Sprocket is unavailable you can also use the sprocket from the following cassettes:

- Shimano Dura-Ace CS-7900
- Shimano 105 CS-5600

These are a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.

These cassettes require the Shimano TL-LR15 Lock Ring Removal Tool.

Genuine Shimano replacement part.