Description

Treat yourself (and your bike) to the ST-9070 Dura-Ace Di2 Shift/Brake Lever Set from Shimano. Dura-Ace is system engineering at its peak for an unparalleled level or performance. It optimizes input to maximize output. The revolutionary Di2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. Di2 gives you instant, accurate, lighting-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With Di2, you are in complete control.