+1 on ride them and decide what you like best.
That said,I don't know about your wrists,but my mild carpel tunnel would make me turn down the Sirrus. I have/had skinny tired bikes with alloy forks and my wrists did not like them. If you have no issues and smooth roads,you might be ok,but just making the point. If you're going to be doing hills and haven't been doing alot of riding,the Coda has the widest gear range of the bunch. And the Rapid's low-end caliper brakes won't be as strong as the other model's V brakes,and if they're not long reach you may have issues mounting fenders.
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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,Dahon Speed Pro TT,Brompton S6L/S2E-X
