I've been curious about this since I got my Duc. Is the rear tire supposed to be off center? Say, sitting slightly more to the swing arm side? I've looked through a couple of service manuals I have and haven't seen anything about alignment, but I'd like to make sure. I've never had a single sided swing arm bike before so I don't know what "normal" is supposed to look like. If there was a way to adjust the rear subframe left or right I would have thought it to be out of adjustment, but it just seems weird that everything isn't symmetrical when I look at the back of the bike.