Dura-Ace is the pinnacle of Shimano road technology and innovation. Speed was the driving force behind the new generation of road groups, and every decision our designers made was to make you faster. Shimano engineers worked to refine each component and every function to provide the best on-bike experience, whether you're sprinting to the finish on the Champs-Élysées or crushing your local climb.

The Shimano Dura-Ace Di2 R9270 with powermeter groupset is the company’s top-level road groupset. Shimano is known for its incredibly high-quality components, and has been a leader in mechanical shifting technology for decades. The new Dura-Ace group brings together their advanced technology from across the range to offer unparalleled levels of performance. With customizable buttons, internal wiring for reduced weight and complexity plus advanced ergonomics make it an easy choice for serious racers who demand only the best.

With Powermeter 

172,5 arms 

Disc size - 160/140mm