Shimano Dura Ace 7970 Di2 10 Speed STI Shifters

The most advanced level of shifting technology: at the touch of a switch Dura-Ace Di2 is quick shifting, smooth, and effortless, making for unmatched drivetrain efficiency. The most advanced level of shifting technology: at the touch of a switch Dura-Ace Di2 is quick shifting, smooth, and effortless, making for unmatched drivetrain efficiency. The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts. Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold. The buttons are located in a near identical place to the positions you'd assume for shifting using a mechanical Shimano STI.

Specification

Pair of Dura-Ace Di2 levers

Rim brake

The Di2 STIs are also compatible with the Flight Deck computer (SC-7900), measuring important data such as heart rate, altitude, cadence, gear position, battery indicator, and more

Levers are supplied without electrical cables, as these need to be ordered separately to suit

Weight is 255 grams a pair

Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt

Brake lever pivot is positioned to increase power providing excellent ergonomics when riding on the hoods

Finely tuneable reach adjusters for the levers enable custom fitment for all hands

10-speed only