GRX ST-RX600 Shifter/Brake SetDescription The Shimano GRX Dual Control Lever ST RX600 delivers light and responsive shifting for mixed terrain riding. The ergonomic shifter design improves comfort and the textured, anti slip brake lever increases control on bumpy terrain. With a low profile Flat Mount design, the GRX BR RX400 hydraulic disc brakes provide greater control for mixed terrain riding. Features ST RX600 Greater mixed terrain control Gravel inspired lever and bracket
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