- 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 left hand ST-RX600 STI, BR-RX400 flat mount rear brake calliper with pads, hose and mineral oil (without rotor or adapter)