- GRX Di2 11 speed rear derailleur for double cranks
- Adjustable chain stabilizer prevents chain slapping and drops
- Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
- Maximum front difference: 17T
- Total capacity: 40T
- Low sprocket: Max. 34T/Min. 30T
- Top sprocket: 11T
Specs
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