SHIMANO introduces the world's first extremely versatile group for gravel riders. The GRX group, provides cyclists with numerous variations and solutions, including single and two-speed drivetrains, mechanical or electronic drivetrains, 10-speed or 11-speed versions, integrated adjustable seatpost support and various gear spans. These features make the GRX perfectly equipped for any gravel trail you can imagine.

GRX 2x11rz rear derailleur RD-RX810 34T

SHIMANO GRX SHADOW RD+ rear derailleur Lower sprocket max range 34T 11-speed.

The SHIMANO GRX derailleur has an integrated chain stabilizer mechanism for quiet, precise and reliable shifting in varied terrain. The derailleur has a chain tensioner switch useful when riding on level surfaces. The RD-RX810 rear derailleur is compatible with road cassettes with a lower sprocket range of up to 34T.

• Adjustable chain stabilizer prevents chain from flapping and falling off
• Ability to engage/disengage the clutch to match the terrain
• Ability to switch the stabilizer on/off to match the terrain
• Clutch tension to match gravel roads

• Quiet and smooth rear gear shifting on rough terrain
• Lower sprocket: max. 34T/min. 30T
• Total capacity: 40T
• Smooth and reliable gear shifting on a variety of surfaces
• Compatible with the DUAL CONTROL LEVER road bike shifter offered today
• Max front differential: 17T
• Top sprocket: max. 11T/min. 11T