{"id":8875483463957,"title":"Shimano GRX 822 12 Speed Rear Derailleur","handle":"shimano-grx-822-12-speed-rear-derailleur","description":"

To ensure effortless, rapid gear changes and consistent performance on the harshest terrain, the GRX 822 gravel bike rear mechanism boasts some of Shimano’s best technologies, which include:

Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. A simple solution for chain drop. Lighter and more efficient than the roller type chain device.

Shimano Index Shifting System: The system constituents such as the index mechanism built in the shifting lever, the frictionless SIS rear index shifting cable and the smooth action rear derailleur realise the Shimano Index System.

Cage Length/Type: Separate Short and long cage options
Speed: Short Cage: 2x12-Speed; Long Cage: 1x12-Speed
Mounting: Standard hanger mount or direct mount (DM)
Clutch option: Yes
Compatibility: Shimano drop bar 2x12-Speed components
Compatible with 12-speed Hyperglide+ chains
Short Cage: Wide gear ratio compatible up to 11-36T
Long Cage: Wide gear ratio compatible up to 11-51T

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To ensure effortless, rapid gear changes and consistent performance on the harshest terrain, the GRX 822 gravel bike rear mechanism boasts some of Shimano’s best technologies, which include:

Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. A simple solution for chain drop. Lighter and more efficient than the roller type chain device.

Cage Length/Type: Separate Short and long cage options
Speed: Short Cage: 2x12-Speed; Long Cage: 1x12-Speed
Mounting: Standard hanger mount or direct mount (DM)
Clutch option: Yes
Compatibility: Shimano drop bar 2x12-Speed components
Compatible with 12-speed Hyperglide+ chains
Short Cage: Wide gear ratio compatible up to 11-36T
Long Cage: Wide gear ratio compatible up to 11-51T