In addition to a slightly changed appearance and a weight reduction of 10 g The Shimano Dura-Ace Di2 FD-R9150 11-speed front derailleur retains the precision performance of its predecessor 9070. While the new 9150 rear derailleur is turning heads with its changes inspired by mountain landscapes The front derailleur quietly acts as the brain of the Di2 system providing fast, reliable and customizable gear shifting even if you are going to a cafe. Sunday social ride or pedaling at the pointy end of the peloton.

The front derailleur has always been our favorite component of the Di2 series reinforced by years of mechanical systems throwing chains at inopportune moments on climbs and when accelerating for sprints. Di2 makes thrown chains part of history with fast , silent and precise chain movement enhanced by Shimano's automatic trimming function. This feature adjusts the position and angle of the front derailleur on the fly and eliminates the possibility of chain drop when shifting hard up or down the chainrings. , no matter How much cross chain do you have? This feature also prevents even the thought of chain rubbing providing a smooth and quiet ride in any gear combination.