GRX RD-RX810 Rear Derailleur Small It features a rugged steel

It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth

It utilizes cross-drilled technology to dissipate heat and cut weight

Keep your Reverb dropper post performing at its best with RockShox's Reverb Hydraulic Fluid

When it’s time to go on adventures beyond the neighborhood block

Reworked patterning and sizing to provide excellent fit to a broader range of body types

GRX RD-RX810 Rear Derailleur Small It features a rugged steelThe Shimano GRX 11 speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops. Compatible with Shimano road Dual Control Levers Gravel tuned clutch tension provides smooth and reliable mixed surface shifting Toggle clutch on off to match the terrain For 1x and 2x drivetrains Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard