This Outer Plate Assembly can only be used with Shimano Deore RD-M615 10 speed rear derailleurs.
If the correct Outer Plate Assembly is unavailable you can also use the assembly from the following rear derailleur:
Shimano SLX RD-M675-GS
This is a “B” match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.
The jockey wheel bolts center to center measurement on this inner plate is 62mm.
Genuine Shimano replacement part.







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