I took Thom to nursery on my bike for the first time this morning. Even managed to load up some more nappies and wipes. It was a little bit cold, so I put his big coat and a hat on underneath the helmet. He was still a bit sleepy at this point but I think he enjoyed it at least as much as he would have in the car.
I bought he Thule child seat which I can remove (apart from the frame mount) when not transporting Thom. Pretty impressed with it so far and its a breeze to cycle with the electric assistance of the X3.