The Shimano GRX ST-RX810 Shift/Brake Lever with BR-RX810 Caliper is a dual-control shifter and hydraulic brake lever built specifically for the challenges of gravel and mixed-terrain riding. With its light, responsive shifting and textured, anti-slip brake lever, it gives riders more control and confidence on rough or uneven roads. The shifter is designed with ergonomic comfort in mind, and the tooled reach adjustment lets you dial in the perfect fit for your hand size and riding style. Paired with the BR-RX810 flat mount brake caliper, this setup delivers powerful and consistent braking performance. Shimano&&';;s ICE technology helps control heat buildup during long descents or tough conditions, making your ride smoother and safer. Whether you&';re exploring dirt roads or racing gravel events, the GRX ST-RX810 system offers precision, comfort, and dependability you can count on. Key Features: Gravel-Ready Ergonomics - Textured, anti-slip brake levers with a comfortable shape designed for off-road control. Smooth 11-Speed Shifting - Light and responsive shifting feel borrowed from Shimano&';s top-tier road systems. Reliable Hydraulic Braking - Flat-mount caliper with ICE technology and mineral oil for consistent, heat-managed stopping power.