An "adventure" bike is something like a Swiss Army Knife. That knife will cut things, open a bottle, even pull out a splinter. Not as well as a good knife, bottle opener, and tweezers, though. So it goes with your Marin. It can go a lot of places, and do a lot of things, but it's never gonna go up and down a staircase or bunny-hop logs like an FS mountain bike.
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