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The hydraulic Ultegra BR-R8070 provides the next stage of rider control in all conditions. Utilizing a lightweight and minimalistic Flat Mount design, the sleek caliper integrates seamlessly into a road bike's aero profile where it can be installed directly at frame or fork. The SM-RT800 rotor (optional) offers even greater heat management capability than Shimano's industry-leading ICE TECH Freeza rotors, resulting in unparalleled braking performance and reliability in the most demanding conditions.
Included in delivery: left STI lever + front caliper,
filled and bleed,
incl. FW brake disc adapter, SM-BH90 brake cable and L02A Resin brake pads with cooling fins
Material: bracket, electric button, master cylinder: glassfiber reinforced plastic (GFRP)
lever: aluminium (painted)
caliper: aluminum (anodized)
Weight supplement: set, not filled)
approx. 180 gram (STI)
approx. 148 gram (caliper)
The Ultegra Di2 ST-R8070 dual control levers allow not only more intuitive shifting operations but also quick and precise shifting thanks to a clearer separation between shift buttons. A more defined click feeling and a wider reach adjustment range generate even more comfort. Group specific each switch has the option for multi-shift ON or OFF. The STI's top button remote switch is programmable for third party cycle computers. Every function is compatible to E-Tube application or Shimano PC software.
The Ultegra Di2 dual control levers in hydraulic disc version improve rider control in all conditions. The small bracket size feels great on the palms and improves the ergonomics. On top of that lightweight materials make the STI's race-ready.