With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.

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For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner.

  • GRX 10 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: 16T
  • Low sprocket: Max. 36T/Min. 30T
  • Top sprocket: 11T
  • 303g
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