Shimano GRX RX815 Di2 Rear Derailleur - 11 Speed
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Shimano GRX RX815 Di2 Rear Derailleur - 11 Speed
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Code: KRDRX8
Shimano GRX RX815 Di2 Rear Derailleur - 11 Speed
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 and on/off switch for the chain tensioner. The 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.
 
Features
  • Silent and uninterrupted rear shifting on rough terrain
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Shimano Shadow RD+
  • Smooth and reliable mixed surface shifting
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Compatible with current road Dual Control Levers
  • Maximum front difference: 17T
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 34T/Min. 30T
  • Total capacity: 38T