Dual control Dura Ace set STR9270/BRR9270 right 12-speed Di2 rad./hydr.brake

Set dual-control ST-R8170, SM-BH90 hose and BR-R8170 brake caliper, filled with mineral oil and bled. Improved lever ergonomics, wireless shifting shifts faster and improves the aesthetics of the bike, SERVO WAWE ACTION technology optimizes brake control. New bleeding process makes maintenance easier.
Technologies used: Servo Wave Action, E-tube, Reach Adjust, Dual Control Lever, Mono Body,One Way Bleeding,Ice Technologies

Type: ROAD, Total package weight: 423g, 12-speed, Right/Rear, Dual Control, Mounting type: On the sleeve/Flat mount, without indicator, Hose length: 1700mm, Plates: L03A, black, Material: Aluminum / Steel / Plastic

SCIENCE OF SPEED
Years of our work bring you seconds. Speed ??is the driving force behind the new generation of road groupsets. Shimano engineers have refined every component and feature to deliver the ultimate riding experience, whether you're sprinting to the finish line on the Champs-Élysées or scaling a nearby hill.