Shimano, GRX RD-RX817, Rear Derailleur, Speed: 11, Cage: GS, Grey

Availability: In stock (1)
  • 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
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