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Maneta Schimbator/Frana Shimano Dura-Ace Di2 ST-R9170 Dreapta 2x11 V

The Shimano Dura Ace R9170 Di2 Disc groupset builds on the succes of the previous 3 generations of Dura Ace, and the results don't lie: this groupset has all the properties you want when you're building up your perfect bike. You get the extremely powerful and easy to modulate disc brakes as well as the quickest and most accurate shifting performance under all conditions from the Di2 electronic derailleurs and shifters. This helps you build a bike which is easier to control on fast descends, and one that will never miss a shift when you're hammering up the next climb.

The R9170 Disc Di2 shifters have been given a new, more compact design which makes them virtually identical in shape to the R9100 shifters. This offers you the same optimal ergonomic grip. For those of us who can afford to ride multiple bikes fitted with the 9100 series drive trains, switching between bikes will be effortless and easy. They're also fitted with operating buttons on top for your Garmin Edge 820 bicycle computer. The shifters have been given a more distinct "click" feel, providing a more tactile feedback on your shifts.