Shimano GRX Di2 RD-RX817
The Shimano GRX Di2 RD-RX817 is an 11-speed electronic rear derailleur for 1x gravel drivetrains, with a gravel-tuned chain stabilizer clutch that can be toggled on or off to match the terrain. It handles 40-42T low sprockets, suiting gravel bikes running GRX Di2 with a single chainring and a wide-range cassette.
- GRX Di2 11 speed rear derailleur for 1X cranks
- Adjustable chain stabilizer prevents chain slapping and drops
- Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
- Low sprocket: Max. 42T/Min. 40T
- Top sprocket: 11T
Pairs well with
Shimano GRX Di2 RD-RX817
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