With Di2 technology shifting is easy and precise – just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. 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….
– Shimano Ultegra 6870 Di2 11 Speed STI Road Lever Set Gear Levers & Shifters – £163.99 (RRP – £)
