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
Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
Buttons are located in a near identical place to the positions you'd assume for shifting using a mechanical Shimano STI
Brake lever pivot is positioned to be used with super SLR brake callipers, increase power providing excellent ergonomics when riding on the hoods
Finely tuneable reach adjusters for the levers enable custom fitment for all hands
Levers are supplied without electrical cables, as these need to be ordered separately to suit
Weight is 313 grams a pair

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