40 years after the inception of Shimano 105, it has finally gotten its upgrade to electronic performance. Shimano 105 Di2 is fast and efficient while remaining as affordable as you would expect from a 105 groupset. The Shimano 105 Di2 Hydraulic Disc Brake Shifter helps you communicate with your derailleur and brakes for flawless shifting and powerful braking. Gear changes are precise and intuitive, and the ergonomic levers can be customized for the most comfortable grip possible. All of this leads to a clean cockpit that is easy to manage. The perfect combination of braking and shifting can be yours for a cheaper price with a Shimano 105 Di2 Disc Brake Shifter.