I'm in the market for a roadie to replace my Trek 7.2 fx as a commuter. If you wouldn't mind, I'd love some feedback on whether this is a good bike and a fair price. Thanks!

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http://boston.craigslist.org/gbs/bik/2607984929.html

Trek 520 touring road Bike in Excellent condition

Size is 56 cm center to center ( medium large ) for a man or woman. should also fit you if you're looking for a 54 or 58

Rides very smooth, excellent commuter, touring or cross bike; Heavy duty Alloy rims in great condition; 18 speed

Full tune up last week (Hubs overhauled and greased, brakes and shifters tuned, oiled chain, rims trued, frame and rims cleaned) - ready to ride.