Shimano

GRX BL-RS717-L Left Brake Lever - For Hydraulic Disc Brake

The Shimano GRX BL-RS717-L Left Brake Lever is built for riders who prefer a clean, purpose-driven cockpit and the reliability of hydraulic braking. Designed to pair seamlessly with a right-side GRX ST-RX715 Di2 Dual Control Lever, it delivers consistent braking performance with the same refined feel and ergonomics found across the GRX lineup.

Without the added weight or complexity of shifting electronics, this lever offers a simpler, lighter setup—ideal for gravel, adventure, and mixed-terrain bikes where control and comfort matter most. The integrated Reach Adjust feature allows riders to fine-tune lever position for personalized comfort and improved confidence on long, demanding rides.

• Left-only hydraulic brake lever designed for pairing with GRX ST-RX715 Di2 right lever
• Hydraulic disc brake compatibility ensures powerful, consistent stopping performance
• Reach Adjust feature provides customizable fit and control
• Lighter and simpler setup by eliminating shift electronics
• Ergonomic design matches GRX Di2 levers for a balanced cockpit feel

A practical choice for riders looking to simplify their drivetrain while maintaining top-tier braking performance, the GRX BL-RS717-L keeps the focus on control, comfort, and reliability.