I bet the bike would climb good. But yeah, I don't think I would be using it. I think it might flex a bit too. Check out this 14lb dual suspension mt bike (i think that is pretty amazing too). It has a plush seat for metro to sit on
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2008 EPA adjusted:
Distance traveled by bicycle in 2007= 1,830ish miles
Average commute speed=25mph (yes, that's in a car)