GRX ST-RX400 Brake/Shift Lever & Disc Brake

• BR-RX400 disc caliper features Shimano ICE Technology for excellent heat dissipation
• Convenient tool access and One Way Bleed system mean set up and maintenance are simple
• Brakes are pre-bled
• 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

Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever, Drop Bar UPC: 192790450179