Shimano 105 ST-R7120-L Shift/Brake Lever - Left 2x BlackShimano 105 ST R7120 L Shift Brake Lever Left 2x Black. The Shimano 105 ST R7120 L 2x Dual Control right levers features a revised lever position and bracket shape developed using data from a broad study of different hand shapes. Provides quick and intuitive shifting cyclists expect from Shimano 105. Mechanical 2x dual control left lever with updated ergonomics offers light shifting operation that lets cyclists focus on the road ahead Blade shape