We specifically designed the Dual-Position Seatpost to provide an optimized riding position on a road bike.
If you're new to riding in an aero position, it may feel strange for a few rides, but you'll quickly get the hang of it.
As with anything new, we recommend starting out on a safe, straight road with minimum car and pedestrian traffic, at least until you get the feel for riding in the aero position.
See article Why does the seatpost need to move? for more information about bike fit.