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GRX Di2 RD-RX817 REAR DERAILLEUR

C$449.99
SHIMANO
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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. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max.

  • 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
  • 318g
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