GRX Di2 RD-RX815 REAR DERAILLEUR

C$404.99
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-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.

  • 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
  • 287g
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