Shimano Di2 GRX RX817 11s Rear Derailleur

$292.00
by Shimano
Type: rear derailleurs
SKU: IRDRX817
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COMPATIBLE WITH ULTEGRA AND DURA-ACE 11 SPEED

Thanks to the integrated chain stabilizer mechanism, the SHIMANO GRX derailleur offers a quieter experience and guarantees safety and precision on mixed surfaces. For smooth bottoming, the gearbox offers an ON/OFF switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchro shifting and is compatible with road cassettes with a 42T max min cog.

Characteristics:

  • Silent and smooth shifting on bumpy surfaces
  • The adjustable chain stabilizer avoids impacts and drops of the chain
  • SHIMANO SHADOW RD+
  • Shifting for mixed surfaces, smooth and reliable
  • ACTIVATION/DEACTIVATION of the stabilizer according to the terrain
  • Gravel specific clutch adjustment
  • Compatible with current road DUAL CONTROL LEVER
  • Smallest sprocket: Max. 11T/Min. 11D
  • Largest Sprocket: Max. 42T/Min. 40D
  • Total capacity: 31D