GRX ST-RX810 Left 1x Hydraulic Brake Lever with Caliper

Engineered for uncompromising control and confident braking, the Shimano GRX ST-RX810 Left 1x Hydraulic Brake Lever with Caliper delivers powerful, dedicated performance for single-ring drivetrains.

The Shimano GRX ST-RX810 Left 1x Hydraulic Brake Lever is a meticulously designed control unit for gravel and cyclocross bikes. Its dedicated 1x design eliminates the shifter paddle for a cleaner, more streamlined cockpit, while the ergonomic hood shape provides a comfortable and secure grip over rough terrain. Paired with a GRX hydraulic disc caliper, this lever delivers powerful, consistent, and easily modulated braking, ensuring unwavering confidence on technical descents and in all conditions. This set is an ideal choice for riders seeking a high-performance and reliable brake system for their single-chainring adventures.

• Dedicated left-side 1x design for a clean, streamlined cockpit.
• Ergonomic hood shape optimized for comfort and grip on gravel.
• Delivers powerful and consistent hydraulic braking performance.
• Includes a GRX hydraulic disc caliper for a complete brake system.
• Ideal for gravel riding, cyclocross, and any 1x drivetrain setup.