Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world
GRX hydraulic disc brake 11-speed STI's give you control, modulation and power with minimal effort in all riding conditions
Higher brake lever axis and curved brake lever,improves grip and confidence on choppy surfaces and descents
Raised hood head prevents hand misalignment and slippage
Recessed finger notch prevents upward slipping
Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides
Kit contains bled ST-RX810 STI, BR-RX810 flat mount  brake calliper with pads, hose and mineral oil (without rotor or adapter)
Supplied as either Right Hand 11 Speed/Front Brake or Left Hand 2 Speed/Rear Brake