We know Shimano's Dura-Ace groupset to be one of the fastest and lightest on the market. From what we've seen with Shimano, it can only get better. In their latest Dura-Ace Di2 line, we see the Dura-Ace FD-R9250 Front Derailleur as a small, lightweight component that packs a mean punch. It features the fastest front shifting Shimano can offer and weighs in at just under 100 grams to boot. According to the brand, this front derailleur shifts 45% quicker than Shimano's FD-R9150, which is saying something seeing as that was previously their fastest iteration. This small and sleek front derailleur is not only designed to be quick but also aerodynamic. The front area of the derailleur is designed to reduce drag, which leaves us with wind-slicing capabilities that aid us on our ride.