For use with Shimano Ultegra RD-6800 11 speed rear derailleurs.

This Outer Plate & Plate Stopper Pin can also be used on the following rear derailleur:

- Shimano Ultegra Di2 RD-6870-GS

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

The jockey wheel bolts center to center measurement on this inner plate is 79mm.

Genuine Shimano replacement part.