Shimano 105 R7170 12 Speed Hydro Disc Di2 STI Levers and Calipers

Shimano 105 R7170 12sp Hydro Disc Di2 STI Levers and Calipers
Left and Right Levers, Front and Rear Calipers Including Hoses.

Great value 105 Wireless hydraulic disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions
Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts

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
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
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
Levers use CR1632 batteries which last for approximately 1.5-2 years
Kit contains bled left and right ST-R7170 STI, front and rear BR-R7170 flat mount brake calipers with pads, hoses and mineral oil (without rotors or adapters)