Shimano Alivio RD-M4000 Inner Plate - SGS Type - Y5P910000

For use with Shimano Alivio RD-M4000 9 speed rear derailleurs.

This Inner Plate can also be used on the following rear derailleurs:

- Shimano Acera RD-M3000-SGS
- Shimano Altus RD-M2000-SGS

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

If the correct Inner Plate is unavailable you can also use the plate from the following rear derailleurs:

- Shimano Deore RD-M592-SGS
- Shimano Alivio RD-M430-SGS
- Shimano Acera RD-M390-SGS

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

Genuine Shimano replacement part.