I decided to start riding my bike to work lately. It's about a 14 mile round trip. I've been using an old Huffy Iron Man which is on it's last leg. I want to buy locally, so brand selection is somewhat limited. The store I visited mainly deals in Trek and Giant (except for real highend stuff, which I cannot afford). I had it narrowed down between the Trek 4500 and Giant Yukon. However, the salesmen also showed my a Trek 7300FX which is a hybrid(?) bike. The tires were quite a bit skinnier, but it rode real nice. The majority of my riding is on paved streets and graveled trails, so it would work fine, but I guess it would still be nice to have the ability to go off trail if I ever wanted to. Can anyone give me some insite?