Enhanced chain security and quieter shifting for gravel riding
With its integrated chain stabilizer and medium cage, the SHIMANO GRX rear derailleur delivers quieter shifting, better ground clearance and more secure chain management in rough terrain. The RD-RX822-GS is compatible with 12-speed SHIMANO MTB cassettes, and the chain tensioner has an ON/OFF switch for easy wheel removal.
Features
Silent and secure rear shifting on rough terrain
Adjustable chain stabilizer prevents chain slap and drops
SHIMANO SHADOW RD+
Smooth and reliable shifting on mixed surfaces
ON/OFF stabilizer switch matches terrain
Interchangeable, replaceable GS/SGS derailleur cage
Specifications
Rear speeds 12
Compatible chain HG 12-speed
Medium Cage
Low sprocket|Max. 45T
Low sprocket|Min. 45T
Top sprocket|Max. 10T
Pulley|Teeth 13T
Long Cage
Low sprocket|Max. 51T
Low sprocket|Min. 51T
Top sprocket|Max. 10T
Pulley|Teeth 13T
Mfr Claimed Weight
290g(Medium), 288g(Long)
Enhanced chain security and quieter shifting for gravel riding
With its integrated chain stabilizer and medium cage, the SHIMANO GRX rear derailleur delivers quieter shifting, better ground clearance and more secure chain management in rough terrain. The RD-RX822-GS is compatible with 12-speed SHIMANO MTB cassettes, and the chain tensioner has an ON/OFF switch for easy wheel removal.
Features
Silent and secure rear shifting on rough terrain
Adjustable chain stabilizer prevents chain slap and drops
SHIMANO SHADOW RD+
Smooth and reliable shifting on mixed surfaces
ON/OFF stabilizer switch matches terrain
Interchangeable, replaceable GS/SGS derailleur cage
Specifications
Rear speeds 12
Compatible chain HG 12-speed
Medium Cage
Low sprocket|Max. 45T
Low sprocket|Min. 45T
Top sprocket|Max. 10T
Pulley|Teeth 13T
Long Cage
Low sprocket|Max. 51T
Low sprocket|Min. 51T
Top sprocket|Max. 10T
Pulley|Teeth 13T
Mfr Claimed Weight
290g(Medium), 288g(Long)