Shimano Dura-Ace FD-R9250 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-55t Max Black/Silver

Despite its smaller, lighter design, the DURA-ACE FD-R9250 brings our fastest front shifting .Shimano’s fastest just got faster thanks to the DURA-ACE FD-R9250. Tipping the scales under 100 grams, the new design shifts 45% quicker than Shimano's FD-R9150, already our fastest. The frontal area of the FD-R9250 is also reduced decreasing aerodynamic drag.