Double front derailleur, braze-on. Designed for 12 speed Di2 drivetrains. Brand new OEM.
The Shimano Dura-Ace FD-R9250 is a 2x12-speed Di2 electronic front derailleur, delivering 45% faster shifting than the FD-R9150. It features a smaller, 33% smaller frontal area, weighs approximately 96-99 grams, and uses a semi-wireless design. It is optimized for 50-34T, 52-36T, and 54-40T chainrings.