Shimano Dura Ace Di2 R9170 STI Shifter - Hydraulic Disc Brake -
BR-R9170 Flat Mount Caliper - Right/Front

Product Description

Top of the range, high performance Dura-Ace hydraulic disc brake Di 2 STI's give you control, modulation & power with minimal effort in all riding conditions. Key

Features: 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 Simply pressing tactile buttons allows effortless & comfortable shifting even when your hands are cold Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, & 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 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-R9170 STI, BR-R9170 flat mount brake calliper with pads, hoses & mineral oil (without rotors or adapters) Weight: 360 grams a pair