This e-road bike looks, rides and feels more like a traditional road bike;You won't feel much drag or resistance from the Fazua system when you turn it off or pass the maximum level of assist;Never miss a shift again with an ultra fast and precise all-new Shimano Dura-Ace Di2 wireless electronic drivetrain;Road-smoothing IsoSpeed absorbs fatiguing bumps in the road for a faster, smoother, more comfortable ride;