Quote Originally Posted by emily_in_nc
It's also possible her inseam measurement is off - 29" sounds very short for someone 5'5". I have seen posts from gals here who are 5' to 5'2" with inseams in the 28-30" range. Most gals my height (5'2.5") seem to have inseams around 29" as well. So that may need to be re-measured. She might find she can stand over the Small in actuality.
Yup. I thought that perhaps her inseam had not been measured, ummm... as aggressively as it should be. But then again, I'm about 5'4.5" (can't forget that extra bit, no Sir!) and my inseam is 75cm(29.5") in socks and 78cm(30.7") with mtb shoes. (There are a couple of recent threads here about my search for a full-suspension mtb. The standover on Smalls is too high for me, but XS's are too short in the top tube.)

Speaking of which... Emily, have I asked you what mtb you ride? You can PM me if you like, so I don't hijack Suesi's thread.