Shimano 105 ST-R7120 12s

Key Features Ergonomics: Slim hood shape and shorter shift arc designed to comfortably fit a wide range of hand sizes, especially smaller hands. Shifting: Smooth 2-speed front and precise 12-speed rear mechanical shifting using included Optislick cables. Braking: Hydraulic disc control that delivers strong stopping power with less finger effort, featuring auto-adjusting pad clearance. Adjustment: Tool-based reach adjust allows you to change the distance from the handlebar to the lever blade.