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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
Faster and smoother shifting in front
programmed, automatic re-trimming
Support screw retains the correct position even in the event of strong acceleration
Largest chainring: 50-56 teeth
hoek achterbrug: 61-66 °
kettinglijn: 43,5 mm