The Shimano GRX ST-R610/BR-RX410 Bled Hydraulic STI Set (Left/Rear) is engineered specifically for gravel riding, cyclocross and all-terrain adventure cycling, offering exceptional control, responsive braking and smooth shifting for 2x (double) drivetrains. Designed as part of the latest Shimano GRX 12-speed gravel groupset, this premium STI lever and flat-mount hydraulic disc brake system delivers rugged performance and reliable modulation on every ride.
Built to meet the demands of rough terrain, the GRX ST-R610 lever features optimized gravel-specific ergonomics, enhanced grip surfaces and a refined lever shape for superior control during descents, technical trails and long-distance adventures.
GRAVEL-OPTIMISED ERGONOMICS: Purpose-built for mixed-terrain riding, the GRX platform enhances comfort, stability and control with specially shaped hoods and a raised hood profile to reduce slippage on rough surfaces.
POWERFUL HYDRAULIC DISC BRAKING:The BR-RX410 flat mount hydraulic caliper delivers consistent stopping power and predictable modulation in all weather conditions, ensuring confidence on steep gravel descents and loose surfaces.
REFINED LEVER SHAPE FOR BETTER CONTROL
- Higher brake lever pivot improves handling and stability on uneven ground
- Curved brake lever enhances ergonomics and secure hand position
- Recessed finger notch prevents upward slipping
- Anti-slip textured surfaces improve grip and reduce fatigue during long gravel rides
PRE-BLED & READY TO INSTALL: Supplied pre-bled with hose and mineral oil for hassle-free setup straight out of the box.
COMPATIBLE WITH 2x (DOUBLE) DRIVETRAINS: Designed for riders running a double front chainring on gravel or cyclocross bikes.
What’s Included:
- Left-hand ST-R610 Hydraulic 12-speed STI lever (mechanical shift / hydraulic brake)
- BR-RX410 flat mount rear hydraulic disc brake caliper
- Hose and Shimano mineral oil
- Brake pads
- (Rotor and adapter not included)
Shimano GRX is your gateway to new adventures and smoother, more controlled cycling on loose terrain.