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Shimano Dura Ace - For highest expectations!
The Dura Ace is Shimano's lightest, most ergonomic and most precise component group ever. It not only offers the finest mechanical performance, but also serves as a chassis for the revolutionary digital Di2 shifting system. The additional 11th gear and numerous other improvements allow for truly dominant performance. With Dura Ace you win.
- 11-speed drivetrain enables precise, racing gearshifts
- Newly developed crankset with a 4-arm construction
- Internal draw system reduces sliding resistance
- More effective braking with new SLR-EV braking system
Polymer coating results in a smaller surface area that rubs against the inner casing cladding. Grease is also kept longer. The main advantages are a considerably lower effort required for shifting and the feeling of faster shifting operations, as well as more braking power with considerably less effort required at the brake lever.