Shimano Ultegra Di2 ST-6770 STI Shifters Set

Anyone who has experienced Shimano`s mechanical, ergonomic STI levers knows just how much control they have over all components. With Di2 technology, shifting is even easier and more precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously  select the correct gear. Shimano riders will be used to them immediately since all the buttons are in the same place as on regular levers. The distance between the lever and the handlebar is adjustable. This makes it extremely easy to brake and shift even for riders with smaller hands.
lightweight levers for optimal comfort and control
digital push button shifting – like clicking a mouse
ergonomically designed hood shape
lever reach adjustment – fits all hand sizes
weight: 313 g (pair)