Never miss a shift again with the fast, reliable Shimano Ultegra Di2 electronic drivetrain;It comes as standard with carbon wheels, and its the most affordable road bike in the Domane family with this major upgrade in performance;Front and Rear IsoSpeed soak up fatiguing bumps in the road so you can stay stronger for longer;A sleek internal storage compartment gives you a versatile spot to stow tools and gear;