Shimano Deore RD-M5120 Tension & Guide Pulley Unit - SGS Type - Y3HM98010

Jockey wheels for the Shimano Deore RD-M5120 10/11 speed rear SGS Type derailleur.

Shimano state that this part is also an "A" match with these rear derailleurs. This means that the parts are the same in materials, appearance, finish & size etc.

MTB
- Shimano Deore RD-M4120

If not available then the following are a "B" match which means that the parts are usable, but differ in materials, appearance, finish & size etc.

- Shimano Deore RD-M6000-GS

Genuine Shimano replacement part.

Note: Scrolling down the page will take you to the associated parts related to this rear derailleur & their availability