Shimano ST-R9160 Dura-Ace Di2 STI TT Levers (Pair of 2×11 Speed)

When you’re down in the aero position; you don’t want to concentrate on changing gear when you should be concentrating on your performance. With the Shimano ST-R9160 Dura-Ace Di2 STI TT Levers; you can change gear at the flick of a button whilst stretched out; attacking the course.