Shimano GRX BL-RS717 Brake Lever & BR-RX410 Caliper, Left Rear
478211

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Shimano GRX BL-RS717 Brake Lever & BR-RX410 Caliper, Left Rear
478211

£279.99
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For orders under £20, £2.99 will be discounted at basket.
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  • Powerful, consistent rear braking
  • Gravel-specific ergonomics and control
  • Simplified setup for 1x wireless builds

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Shimano GRX BL-RS717 Brake Lever & BR-RX410 Caliper, Left Rear
Shimano GRX BL-RS717 Brake Lever & BR-RX410 Caliper, Left Rear
£279.99

Shimano GRX BL-RS717 Brake Lever & BR-RX410 Caliper, Left Rear

  • Dedicated GRX Hydraulic Disc Brake Lever – Provides smooth modulation and powerful braking with minimal hand effort in all riding conditions.
  • Raised Hood Head Design – Helps prevent hand misalignment and improves stability on rough terrain.
  • Recessed Finger Notch – Reduces the chance of fingers slipping upward during hard braking.
  • Easy Setup and Maintenance – Shimano’s clean, one-way bleeding system simplifies servicing and adjustment.
  • Optimised for 1x12 Wireless GRX Drivetrains – Ideal companion to the ST-RX715-R Di2 right-hand lever.

Gravel riding is about freedom, exploration, and confidence beyond the tarmac. Whether you’re heading deep into the backroads, lining up for a gravel event, or enjoying an all-day adventure, Shimano GRX components are built to deliver dependable performance without compromise. The Shimano GRX BL-RS717 left-side hydraulic brake lever and BR-RX410 rear caliper are designed specifically to complement the GRX 1x12-speed wireless drivetrain, offering powerful, consistent braking with a clean and simplified cockpit.

Developed as part of Shimano’s accessible GRX 717 platform, this left-only brake lever focuses purely on braking performance, making it the ideal pairing for wireless Di2 1x setups. By combining proven hydraulic disc brake technology with gravel-specific ergonomics, Shimano delivers confident stopping power, excellent modulation, and reliable control across loose gravel, wet conditions, and long descents.

Technical Specifications:

  • Orientation: Left-hand brake lever with rear brake caliper
  • Brake type: Hydraulic disc brake
  • Brake fluid: Shimano mineral oil
  • Model numbers: BL-RS717 (brake lever) / BR-RX410 (caliper)
  • Caliper mounting: Flat mount
  • Recommended disc rotor: RT-CL700
  • Colour: Black
  • Kit Includes: BL-RS717 left-hand hydraulic brake lever and BR-RX410 rear brake caliper with hose and pads. Does not include rotor or adapter.