If you're going to be using a train for part of the commute,I'd suggest a folding bike. Much easier to take on the train,and you can prolly take it into your workplace so theft wouldn't be an issue. Lots of decent folders in your price range.
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C'dale BBU('05 and '09)/Super Six/Hooligan8and 3,Kona Dew Deluxe,Novara Buzz/Safari,Surly Big Dummy,Marin Pt Reyes,Giant Defy 1,Schwinn DBX SuperSport,Brompton S6L/S2E-X/M6L-X/S12 T Line
