The Shimano GRX ST-RX400 10-speed hydraulic disc/brake lever provides greater control on mixed terrain.
Specifications:
- Brake Lever Use: Left
- Color: Black
- Defined Color: Black
- Front Der/Shifter Compatibility: Shimano Road
- Drivetrain Speeds: 10
- Rear Der/Shifter Compatibility: Shimano Road
- Adjustable Reach: Yes
- Adjustable Contact Point: No
- Hydraulic Fluid Type: Mineral Oil
- Rotor Included: No