GRX ST-RX400 Hydraulic Brake/Shift Lever - Left

GRX ST-RX400 Brake/Shift Lever & Disc Brake

• 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