Shimano Dura-Ace Di2 ST-9071 TT Dual Control Levers - 11 Speed

Product Description

Shimano Dura-Ace 9071 are the next generation of Dual Control Levers. Put to the test in competition & used in victory by pro cyclists in every conditions, including road, across the pavé or mud. These 11-speed shifters have even been used by the 2012 Tour de France Team Sky. Triathletes & Time Trial cyclists won't need to choose a different shifter position, as Di 2 makes multiple shift controls possible. Dual Control levers can be used on the base bars & satellite controls on aero extensions to pick the ideal gear for all riding positions.
- A.D. Key

Features: Variety of control positions to keep shifts close to hand Fast, accurate & effortless shifts (single-button controls minimise movements for aerodynamic efficiency) Double & single button controls on aero bar shifters TT & Triathlon STI Levers – 11 Speed
- Double Most advanced level of shifting technology: at the touch of a switch Dura-Ace Di 2 is quick shifting, smooth, & effortless The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion & stretching, & also provides effortless gear shifts Simply pressing tactile buttons allows effortless & comfortable shifting even when your hands are cold Shift switches are located in an ergonomic easy to reach position on the side of the aero brake lever This switch positioning now gives the added advantage of being able to quickly shift while braking into corners & accelerating out previously not possible on a TT set up Brake levers are lightweight thanks to aero carbon fibre lever blades, carbon composite bracket body, & alloy fixings Compatible with the Flight Deck computer, measuring important data such as heart rate, altitude, cadence, gear position, battery indicator & allowing you to customise the shifting action of the derailleurs