Shimano FC-T521 64mm BCD 4 Arm Inner Chainring - 26T

For use with Shimano FC-T521 10 speed triple chainsets with a 48-36-26T set up.

This inner chainring can also be used on the following chainsets:

- Shimano Acera FC-M391-8
- Shimano FC-M391
- Shimano Alivio FC-T4010
- Shimano Acera FC-T3010-8
- Shimano FC-T3010

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

If the correct inner chainring is unavailable you can also use the chainring from the following chainsets:

- Shimano Alivio FC-M431-8
- Shimano FC-M431
- Shimano Alivio FC-M430-8
- Shimano FC-M430

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

Genuine Shimano replacement part.