Get smooth, electronically controlled gear changes with instant reaction, perfect precision and automatic trim, with Shimano's more affordable Ultegra Di2 components. We already know Di2 is an awesome technology and the new Ultegra Di2 front derailleur is no exception. Shimano's Di2 Ultegra Derailleur features a self-trimming function that automatically centers the cage over the chain after every shift, totally eliminating chain bounce, chain rub and dropped shifts.
Features
Shimano's proven Di2 electronic shifting system now available in a more affordable Ultegra version
Integrated CPU monitors both front and rear shifting for precise and consistent derailleur alignment
Programmed motion allows the front derailleur to track the chain, eliminating chain drop when shifting inward from the big ring
Automatic trim function moves the chain guide in response to the gear position of the rear derailleur eliminating the need for concentration on trimming when riding
Rigid construction guarantees swift, silent, smooth shifting even under the most demanding of conditions
Must be used in conjunction with the Shimano Ultegra Di2 Front Derailleur Wire Kit, Shift Levers and related system components (sold separately)
Not compatible with 7900 Dura-Ace Di2 levers or wire kits
Capacity: 16T
Clamp Diameter: Braze-on. 31.8mm and 34.9mm clamp adapters sold separately
Compatibility: Double-chainring road cranksets, compact and standard gearing