Shimano Dura-Ace Di2 RD-R9250 GG Adjustment Gauge Description:
The Shimano Dura-Ace Di2 RD-R9250 GG Adjustment Gauge aids in the proper alignment of B-screw gaps associated with Shimano Dura-Ace Di2 RD-9250 rear derailleurs, along with others.
Features:
- GG Adjustment Gauge for Dura-Ace Di2 RD-R9250 rear derailleurs
- See compatibility tab for full list of compatible derailleurs


















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