Shimano Dura Ace 9070 Di2 R671 2 Button TT / Triathlon Shifters Set

No need for time triallists and triathletes to choose a shifter position - with Di2 multiple shift controls are possible. Use Dual Control levers on the base bars and satellite controls on aero extensions. The controls work together - shift from base bars or in the aero position, instantly.

• Multiple control positions mean shifts are always close at hand
• Fast, accurate, effortless shifts SW-9071 (single-button controls minimise movements for maximum aero efficiency)
• Double and single button controls on aero bar shifters