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Average connection time 25 secs
High performance Ultegra hydraulic disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions .
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 .
Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio .
Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold .
Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI .
Hydraulic brake lever provides excellent stopping power with less effort especially from the hood position .
Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear .
Finely tuneable reach adjusters for the levers enable custom fitment for all hands .
Free stroke adjustment for pad to rotor contact setting .
Levers are supplied without electrical cables, as these need to be ordered separately to suit .
Two ports for use with E-tube electric cables .
Kit contains left hand bled ST-R8070 STI's, BR-R8070 flat mount brake callipers with pads, hoses and mineral oil (without rotors or adapters).
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