Shimano Ultegra ST-R8000 shifters are high-performance mechanical dual-control levers designed for 11-speed road drivetrains and rim brakes. They are often considered the "sweet spot" in Shimano’s lineup, offering nearly identical performance to the flagship Dura-Ace series at a more accessible price point.
Gearing: 2x11-speed mechanical.
Brake Type: Mechanical cable-actuated rim brakes (SLR-EV technology).
Clamp Diameter: 23.8 mm – 24.2 mm.
Materials:Lever Blade: Carbon fiber reinforced plastic (CFRP).
Bracket Body: Carbon fiber reinforced plastic (CFRP
Left or Right side