Shimano Ultegra DI2 R8050 Electronic Kit 2x11 The new Ultegra DI2 takes on a more dynamic and elegant appearance, and Synchro Shift and Semi Synchro Shift technologies for automatic and semi-automatic synchronized shifting. Update your bike by purchasing only the electronic part, levers, gearbox, derailleur, battery, charger, connectors and wiring.
