Shimano GRX RX822 12 Spd Rear Derailleur

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keyboard_arrow_right Description

Shimano GRX RX822 12 Spd Rear Derailleur


The Shimano GRX RD-RX822 rear derailleur brings 1x shifting options to Shimano gravel. The GS derailleur cage is compatible with up to 45T cassettes, while the SGS can accommodate up to 51T so you can fit a wide range if it suits your riding style and terrain. The RD-RX822 is 1x specific and uses Shimano's Shadow Plus design for optimal chain retention. Accommodating a wide range of gears in a 1x drivetrain makes for a fast setup when you need it while still being more than capable in those technical sections where control is key.


  • 1x specific drivetrain compatibility
  • Shadow Plus design chain stabilization
  • Interchangeable and replaceable GS and SGS derailleur cages
  • Compatible with GRX 12 speed and 105 12 speed mechanical shifters
  • Not compatible with Shimano mountain bike shifters


  • Speed: 12 Speed
  • Shifter Compatibility: Shimano Road (12 Speed)
  • Shift Mechanism: Cable Actuated
  • Max. Tooth: 45T (Medium Cage), 51T (Long Cage)
  • Min. Tooth: 10T
  • Chain Wrap Capacity: 35T
  • Cage Material: Aluminum
  • Chain Retention: Shadow Plus
  • Color: Black
  • Weight: 290g (Medium Cage), 288g (Long Cage)

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