Shimano Di2 R610 Sprinter Shifter Set FullPricedProduct Frame Taps will become a

Frame Taps will become a lifesaver at some time for virtually every mechanic

The pull-out hose puts less stress on the valve

Ergonomic on/off valve make it easy to grip tube and toggle while you're on the move

with an ergonomic handle for easier refilling

Shimano Di2 R610 Sprinter Shifter Set FullPricedProduct Frame Taps will become aShimano Di2 R610 Sprinter Shifter Set 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.