The Shimano 105 ST-R7020-L Shift/Brake Lever is the left-side hydraulic disc brake and shift lever for Shimano’s 11-speed road systems, designed to control the front derailleur while providing consistent hydraulic braking performance in a single integrated unit. Built for endurance and performance road bikes, it delivers smooth, reliable front shifting with an ergonomic hood shape that supports long-distance comfort and confident control on varied terrain.