With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner.
BENEFIT
Silent and uninterrupted rear shifting on rough terrain
FEATURE
Adjustable chain stabilizer prevents chain slapping and drops
TECHNOLOGY
SHIMANO SHADOW RD+
BENEFIT
Smooth and reliable mixed surface shifting
FEATURE
Switch stabilizer ON/OFF to match the terrain
FEATURE
Gravel-tuned clutch tension
BENEFIT
Compatible with current 10s road DUAL CONTROL LEVER
BENEFIT
Wide range front gearing
FEATURE
Maximum front T difference: 16T
BENEFIT
Top sprocket: Max. 11T/Min. 11T
BENEFIT
Low sprocket: Max. 36T/Min. 32T
BENEFIT
Total capacity: 41T
Model No
RD-RX400
Series
GRX
Rear speeds
10
Compatible chain
HG-X 10-speed
RD construction
SHIMANO SHADOW RD+
✔
Mount
Direct attachment (conventional)
✔
Direct mount
✔
Cable adjuster
✔
Max. front difference
16T
Total capacity
41T
Low sprocket
Max.
36T
Min.
32T
Top sprocket
Max.
11T
Min.
11T
Fluoric coated link bushings
4
Pulley
Teeth
11T
Sunken type pulley screw
✔
B-axle
Hollow axle
✔
Average weight
303
Color
Series color
