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Shimano RD-RX815 GRX Di2 Rear Derailleur, 2x11-Speed

Shimano RD-RX815 GRX Di2 Rear Derailleur, 2x11-Speed

Regular price $404.99 CAD
Regular price Sale price $404.99 CAD
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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.

For rides on smooth surfaces, the derailleur features an 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.

  • SHIMANO SHADOW RD+ for DI2 (11-speed)
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Silent and uninterrupted rear shifting on rough terrain
  • Total capacity: 42T
  • Smooth and reliable mixed surface shifting
  • Compatible with current road DUAL CONTROL LEVER
  • Maximum front difference: 17T
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 34T/Min. 30T
  • Total Capacity: 38T
  • E-TUBE port: 1
  • Pulley: 13T
  • Rear Speeds: 11
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