The Shimano GRX ST-RX400 10-speed hydraulic disc/brake lever provides greater control on mixed terrain.

• Gravel inspired Dual Control shift/brake lever and bracket ergonomics
• Anti-slip brake lever
• Same light shifting operation as top tier systems
• Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences
• Compatible only with FD-4700 and FD-RX400 front derailleurs, and RD-RX400 and RD-4700 rear derailleurs
• Pad Compound: Resin
• Defined Color: Black
• Brake Lever Use: Right
• Brake Caliper Mount: Flat Mount
• Color: Black
• Rotor Included: No
• Hydraulic Hose Length: 1700
• Hydraulic Fluid Type: Mineral Oil
• Rear Der/Shifter Compatibility: Shimano Road
• Drivetrain Speeds: 10
• Front Der/Shifter Compatibility: Shimano Road
• Adjustable Contact Point: No
• Adjustable Reach: Yes