The Shimano GRX ST-RX810 Right Dual Control Lever combines 11-speed mechanical shifting and hydraulic disc braking in a gravel-optimized ergonomics package. It mounts to 23.8–24.2 mm handlebars and operates rear derailleur actuation with a light, precise one-finger lever, while its textured brake blade delivers confident modulation of Shimano flat-mount calipers. Reach adjust and GRX-tuned internals ensure reliable performance on mixed-surface rides.
• Function: mechanical right-side shift lever (rear derailleur) plus hydraulic brake lever
• Speed compatibility: Shimano 11-speed
• Brake interface: hydraulic lever for Shimano flat-mount disc calipers (e.g. BR-RX810)
• Ergonomics: GRX-specific lever shape with textured, anti-slip brake blade
• Adjustability: tool-free reach adjust to suit varying hand sizes
• Clamp diameter: fits 23.8–24.2 mm handlebars
• Materials: aluminum lever body and blade, composite hood
• Weight: approximately 286 g (right lever)
