Shimano Store | Shimano
Dura-Ace has been completely re-designed into Shimano’s lightest, most ergonomic and precise road group ever. The top of line 7900 series Dura-Ace system not only delivers the best mechanical performance to date; it also serves as the core chassis for the revolutionary DI2 shifting system. Choose your flavor and get informed.
The legend of Dura-Ace once again sets the industry standard. Created by definitive Shimano engineering and the latest technology, the new 7900 series Dura-Ace mechanical road group provides the ideal synergy of lightweight, durability and overall performance.
The revolutionary Dura-Ace Di2 electronic shifting option with SEIS (Shimano Electronic Intelligent System) takes the already superior Shimano shifting performance to a whole new level never seen before. The increased accuracy, smoothness and reliability of electronic shifting makes gear changes faster and virtually eliminates missed shifts.
The revolutionary Dura-Ace Di2 electronic shifting option for triathletes and time trialists eliminate the need to change hand positions for shifting. The electronic system is linked and you can execute gear shifts from the base bar or aero extensions which will save time and energy so you can focus on pedaling to your hearts content. The increased accuracy, smoothness and reliability of electronic shifting makes gear changes faster and eliminates missed shifts.
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