For use with Shimano 105 RD-R7000 11 speed rear derailleurs.
This Cable Adjusting Bolt Unit can also be used on the following rear derailleurs:
Shimano GRX RD-RX400
This is an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.
If the correct Cable Adjusting Bolt Unit is unavailable you can also use the unit from the following rear derailleur:
Shimano Ultegra RD-R8000-SS/GS
This is a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.
Genuine Shimano replacement part.