Shimano GRX BL-RS717 Hydraulic Disc Brake Lever & BR-RX410 Caliper – Left / Rear Gravel Brake
The Shimano GRX BL-RS717 Hydraulic Disc Brake Lever with BR-RX410 Caliper is a complete gravel and cyclocross hydraulic brake set, engineered for confident control and consistent braking performance across mixed terrain. Designed specifically for Shimano GRX gravel ergonomics, this brake system delivers excellent power and modulation with minimal hand effort in all weather conditions.
The BL-RS717 left-hand brake lever features a raised hood design that improves hand positioning, prevents slippage, and maintains control on rough gravel roads and technical cyclocross courses. Paired with the BR-RX410 rear brake caliper, the system provides reliable stopping power and smooth modulation for long descents and unpredictable surfaces.
Supplied pre-bled with hydraulic hose, this Shimano GRX brake set ensures simple installation and easy maintenance using Shimano’s proven one-way bleeding system, keeping setup clean and hassle-free. Built for durability and consistency, it’s an ideal upgrade or replacement for modern gravel and CX bikes.
- Shimano GRX BL-RS717 hydraulic disc brake set
- Includes left-hand brake lever and BR-RX410 rear caliper
- Designed for gravel and cyclocross riding
- Powerful, smooth braking with excellent modulation
- Raised hood shape improves hand alignment and grip
- Reliable performance in all weather conditions
- Supplied pre-bled with hydraulic hose
- Easy setup and maintenance with one-way bleeding system
- Side: Left | Position: Rear
- Non-Di2 mechanical brake system