The Shimano Ultegra SW-RS801-S Di2 Sprinter Switch proves that 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 instantly select the correct gear.Shimano Ultegra SW-RS801-S Di2 Sprinter Switch FeaturesThe removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shiftsSimply pressing tactile buttons allows effortless and comfortable shifting even when your hands are coldSprinter single button shift switches are used to operate the rear derailleur with a tap of the thumb whilst...
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