Shimano WH-RS11-R Rear Left Lock Nut Unit - Y49998200

For use with Shimano WH-RS11 rear wheels.

This Rear Left Lock Nut Unit can also be used on the following rear wheels:

- Shimano WH-RS10-A-R

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

If the correct Rear Left Lock Nut Unit is unavailable you can also use the unit from the following rear wheels:

- Shimano WH-RS31-R
- Shimano WH-RS21-R

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

Genuine Shimano replacement part.