Shimano ST 7971 Dura Ace Di2 10 Speed TT and Triathlon STI Levers double

• Product Reference: NEW-MAD-ST7971

• The most advanced level of shifting technology: at the touch of a switch Dura-Ace Di2 is quick shifting, smooth, and effortless
• 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
• Shift switches are located in anergonomic 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 and 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, and alloy fixings
• Brake lever pivot is positioned to increase power in combination with BR-7900 brake callipers
• The Di2 STIs are also compatible with the FlightDeck 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

The Shimano brand is well known across the board for their success over the past decades. Shimano made the world’s first cycle component brand. The achieved this by constant improvement and success since 1921. The first cycle freewheel was forged by Shimano in 1921, since then the company has moved onwards and upwards. Shimano is world renowned for their high spec / top end products which are used by all of the pro riders across the board. Known for being innovative and successful, Shimano has been in the game for 87 years; they have a wealth of technology and have a continuously evolving product line. If you are looking for Shimano products then you have come to the right place. Westbrook Cycles have a wide variety of Shimano for you to choose from.