Billed as the quintessential campus ride, a fixie built for the local commute, the Trek Earl is pared down to the urban cycling necessities, with an on-board bottle opener thrown in at no extra charge. The tough, single-speed, no-nonsense package is built on a chromoly steel frame, with a flip-flop hub (choose between freewheel or only-goes-when-you-pedal), Tektro brakes, nylon pedals, fittings for fenders and bike rack, and comfortable BMX-type seat and grips. It’s reasonably priced at list $529.99, in Gloss Black or orange Peel. If you’re wondering about that bottle opener, an Earl owner is here to demonstrate…