Shimano Ultegra ST-R8070 Shifter For Di2 Shift/Hydraulic Disc Brake -
Left Hand

Product Description

High performance Ultegra hydraulic disc brake Di 2 STI's give you control, modulation & power with minimal effort in all riding conditions. With Di 2 technology shifting is easy & 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 & stretching, & also provides effortless gear shifts. Full & semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front & 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 & 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.