Ultegra Di2 2x11 front derailleur
Shimano Synchronized Shift compatible
Compact and smooth appearance
Quick and smooth front shifting under high pedaling torque
Redesigned to fit wider gear pitch
Allows shorter chain stays with disc brake frames
Weight: 132 g
Junction box for Di2 e-Tube wires
SM-EW90-A = 3 ports (To connect climbing and sprint shifters and standard road levers)
SM-EW90-B = 5 ports (For connecting road or triathlon levers, satellite shifters, and other time trial and triathlon shifters)
1 junction box required to complete the system
Choose the model that matches the cable routing used
SM-JC40 for external cable routing
SM-JC401 for internal cable routing