Shimano Ultegra FD-R8050 Di2 11-Speed Front Derailleur

Ultegra FD-R8050 Front DerailleurProduct Details: Quick and smooth front shifting under high pedaling torque System communication with rear derailleur, combined with programmed chainguide control means minimal chance of chain drop Specifications: Derailleur Capacity: 16 Double or Triple: Double Drivetrain Speeds: 11 Front Der/Shifter Compatibility: Shimano Road Di2 Front Derailleur Cable Pull: Electronic Front Derailleur Clamp: Braze-on Front Derailleur Style: Traditional Max Ring (teeth): 53 UPC: 689228728783 MPN: IFDR8050F