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Rear derailleur Shimano GRX Di2 RD-RX815 SH+ 2×11-speed

Monthly payment from 11.10  / 36 months


SHIMANO GRX  DI2 – Rear Derailleur – SHIMANO SHADOW RD+ – 34T max low sprocket – 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 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.

  • Direct attachment
  • E-tube port (pcs): 1
  • Firmware update by E-TUBE Project
  • Fluoric coated 4 link bushings
  • Maximum smallest sprocket: 34T
  • Minimum smallest sprocket: 30T
  • Max front difference 17T
  • Rear speeds 11
  • Sealed pulley bearing
  • Top-Normal Spring Type SHADOW RD+
  • Maximum biggest sprocket: 11T
  • Minimum biggest sprocket: 11T
  • Total capacity: 38T
  • Weight: 287 g


SKU: IRDRX815 Categories: , ,
  • Free global shipping on all orders
  • 30 days easy returns if you change your mind
  • Order before noon for same day dispatch
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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
Smooth and reliable mixed surface shifting
Compatible with current road DUAL CONTROL LEVER


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