Originally Posted by
luker
A glancing comment on this discussion...i think that most of this thread is about commuting, but if your ride includes groomed trails, then you shouldn't use mountain bikes...a two inch tire ruins two hours worth of grooming in about two minutes. A three inch tire is marginal, most of the time.
You bring up one of my pet peeves - a big chunk of my normal commuting route has become a groomed winter trail. I used to switch to running in the winter and now I get told to keep off it, or spend 10 times what my current bikes all cost added up to get a fat fad.