For use with Shimano Deore RD-M6000 10 speed rear derailleurs.
This Stabilizer Unit can also be used on the following rear derailleurs:
Shimano XTR RD-M9120-SGS
Shimano XTR RD-M9100-GS/SGS
Shimano XTR RD-M9000-GS/SGS
Shimano SLX RD-M7000-11-GS
These are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.
Genuine Shimano replacement part.