SHIMANO GRX ST-RX400 Left Hand Hydraulic Brake/Shifter Combo

The Shimano ST‑RX400 left lever blends a dual‑speed mechanical shifter with hydraulic disc brakes, delivering crisp gear changes and reliable stopping power for gravel rides. Its lightweight aluminum build and ergonomic grip ensure smooth operation across two gears while maintaining consistent braking performance in all weather conditions.

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