I'm 5'7" with 31.5" inseam (actually more like 5'7.75" and 31.75" inseam, but who's counting?)
My "54" bike has a 55cm virtual top tube with a 75mm stem and zero setback seatpost; it seems to fit well. I might prefer a 52 with a "normal" seatpost and slightly longer stem (less overall weight? more traditional looking?) , but I have no way of knowing for sure and like others have said, I shouldn't worry about it if it's comfy.
Last edited by Beane; 04-16-2008 at 04:51 PM.
...never met a bike that I didn't wanna ride.