Originally Posted by skycat

I can honestly say there is a huge difference between 170mm cranks and 165mm cranks for me. I'm 5'1 and with the 170's I can't seem to get a smooth cadence and climbs seem jerky yet with 165s I have no problems with climbs or cadence. Of course, it's amazing how hard it is to get components for the small end of the spectrum, it seems like they only cater to the tall people.