Shimano Ultegra R8010 Rear Brake .

From Shimano's new Ultegra R8000 series, which takes almost all the best of their Dura Ace series in a more affordable package.

The rear brake is lighter and stiffer than the previous Ultegra versions.

Shimano has also reversed the trigger for the brake to provide a more streamlined design.

Fits rim widths from 20.8 - 28 mm.