GRX ST-RX400 - GRX ST-RX400 Hydraulic Brake/Shift Lever - GRX ST-RX400 Hydraulic Brake/Shift Lever - GRX ST-RX400/BR-RX400 Hydraulic Disc Brake and Brake/Shift Lever - GRX ST-RX400 Hydraulic Brake/Shift Lever - GRX ST-RX400 Hydraulic Brake/Shift Lever

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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 sy stems 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 Show more