Quote Originally Posted by complich8
Actually, I'm a fair bit below my peak weight these days, and I would probably not horribly crush a mountain bike, as long as I didn't try to do anything too stupid (like ... jumping, or hitting curbs hard). But those things are kinda expensive, and campus is more pedestrian-friendly than bike-friendly. I'd probably end up leaving the bike home more often than not anyway...
Never get on a full suspension bike. A 300 lb guy once sat on mine and it was never the same afterwards.