The advantages of Di2 (Digital Integrated Intelligence) are clear for everybody who has tested it: changing gears becomes easier, effortless and faster by simply touching the shift buttons. Control at the top of your fingers. Additional benefits include an automatic trimming front derailleur, unmatched precision plus super easy installation and adjustment.
SHIMANO ULTEGRA 6770 series with Di2 technology consists of Dual Control Levers, electronically operated front and rear derailleurs, a battery and electric cables. For the remaining components - like HOLLOWTECH II crankset, brake calipers, cassette sprockets and chain – you can rely on the products of the mechanical SHIMANO ULTEGRA 6700 component group.
