Quote Originally Posted by sgtiger View Post
The LBS that did the fitting for my custom bike, measured my in-seam both standing and kneeling to determine femur/tibia ratio. And, yes, shoe size was taken into account too. I don't know the exact formula they used; they supposedly developed an exclusive program using the measurements of past fittings that they have done. Anyhow, at 5'1 1/2" and with an inseam of 27" my bike was spec'd with 170mm cranks (which works for me BTW).
Your experience is comforting for me b/c I am your height, slightly longer inseam, long femurs, and also have 170mm cranks and am fine with it, but sometimes I feel like a freak having such long cranks for my small size. Glad I'm not the only one!

Emily