As far as bicycles if you are going on a tour then I say buy your self a Surly LHT you can get them with 700c or 26' wheels now.I have my Surly LHT with 26" wheels and they hold up well for me.And I have the marthonPluse tires on mine here.Hope you get what you want bicycle are fun to ride.And a great way to see the USA too.