• With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the 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
• Shifting can now happen as quickly and effortlessly as possible thanks to the super light Short-stroke lever, giving you more time to adjust to the trail ahead
• Shifter is completely customizable, using E-tube software you can programme the shifting to your preference
• For use with E-tube SD300 electric cables