Shimano Right-hand locknut unit FH-M525A

For use with Shimano Deore FH-M525-A rear hubs.

This right rear locknut unit can also be used on the following rear hubs:

- Shimano Deore XT FH-M756-A
- Shimano Deore LX FH-T670
- Shimano Deore LX FH-T660

This is an "A" match, indicating that the parts are the same in terms of materials, appearance, finish and size,