Shift/Brake Combinations

Shimano Ultegra TT/Triathlon dual control lever. - Reduced drag through a more aerodynamic design - Eliminated the switch box of ST-6871 to make the design smaller and shorter - Intuitive shifting control - Keep firm when shifting - Single button on each side of the shift lever only works with Synchronized Shift - 2x11-speed - Average Weight: 138 g/pair

The Shimano GRX Di2 Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. The Di2 version offers the digital precision of Shimano electronic shifting, along with synchronized shifting. - Raised hood head prevents hand misalignment and slippage - Recessed finger notch prevents upward slipping - Anti-slip texture and brake lever coating - Improved braking input performance - Higher brake lever axis and curved brake lever - Improved grip and confidence on choppy surfaces and descents - Higher braking efficiency reduces fatigue on long rides

- Optical gear display - Adjustable reach - 2-Finger lever, compatible with linear-pull and mechanical disc brakes - Includes OT-SIS41 derailleur cable and housing set

The Shimano GRX Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. - Gravel-inspired lever and bracket ergonomics - Anti-slip brake lever - Greater mixed-terrain control - Same light shifting operation as top-tier systems Left/Front - ST-RX810-L: Shimano GRX - Hydraulic Disc Brake - Dual Control Lever - 2 x 11-speed Right/Rear - ST-RX810-R: Shimano GRX - Hydraulic Disc Brake - Dual Control Lever - 11-speed