Shimano GRX RD-RX815 Di2 Rear Derailleur for 2x

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.

• • 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: 38T
  • 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

  MODEL NO RD-RX815
  SERIES SHIMANO GRX DI2
  Average weight 287 g
  Top-Normal spring type_SHADOW RD+ ✔
  Direct attachment ✔
  E-tube connector (pcs) 0
  E-tube port (pcs) 1
  Firmware update by E-TUBE Project ✔
  Fluoric coated link bushings 4
  Low sprocket_Max. 34T
  Low sprocket_Min. 30T
  Max front difference 17T
  Rear speeds 11
  Sealed bearing guide pulley ✔
  Sealed bearing tension pulley ✔
  Top-Normal Spring Type SHADOW RD+
  Top sprocket_Max. 11T
  Top sprocket_Min. 11T
  Total capacity 38T