Top of the range, high performance Dura Ace wireless hydraulic servo wave disc brake Di2 sti’s give you control, modulation and power with minimal effort in all riding conditions.Features:
- 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
- Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts
- Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
- Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt
- 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 with servo wave technology 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 use cr1632 batteries which last for approximately 1.5-2 years
- Ports for use with sd300 e-tube electric cables
- Kit contains left hand bled st-r9270 sti, br-r9270 flat mount brake calliper with pads, hoses and mineral oil (without rotors or adapters)
