For use with Shimano 105 RD-5700 10 speed rear derailleurs.

This Tension & Guide Pulley Unit can also be used on the following rear derailleurs:

- Shimano 105 RD-5701-GS/SS
- Shimano 105 RD-5700-A-GS/SS
- Shimano Tiagra RD-4601-GS/SS
- Shimano Tiagra RD-4600-GS/SS
- Shimano Capreo RD-F800-GS/SS
- Shimano Deore LX RD-T670-A-SGS
- Shimano Deore LX RD-T670-SGS

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

If the correct Tension & Guide Pulley Unit is unavailable you can also use the unit from the following rear derailleur:

- Shimano Deore XT RD-T780-SGS

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

Genuine Shimano replacement part.