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 10-45T, 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
Top sprocket: Max. 10T/Min. 10T
Low sprocket: Max. 45T/Min. 45T
Total capacity: 35T
Interchangeable, replaceable GS/SGS derailleur cage

PRODUCT SPECIFICATIONS

MODEL NO RD-RX822-GS
SERIES GRX 12-speed
Color Series color
Average weight 290
Rear speeds 12
Compatible chain HG 12-speed
Top-normal spring type|SHIMANO SHADOW RD
Mount|Direct attachment (conventional)
Cable adjuster
Total capacity 35T
Low sprocket|Max. 45T
Low sprocket|Min. 45T
Top sprocket|Max. 10T
Top sprocket|Min. 10T
Fluoric coated link bushings 6
Pulley|Guide pulley bearing
Pulley|Tension pulley bearing
Pulley|Teeth 13T
Pulley|Sunken type pulley screw
B-axle|Hollow axle