Shimano FC-M523 96mm BCD 4 Arm Outer Chainring - Black - 40T-AN - For Chainguard

For use with Shimano FC-M523 10 speed triple chainsets with a 40-30-22T set up.

This outer chainring can also be used on the following chainset:

- Shimano FC-MT500-3

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

Genuine Shimano replacement part.