Maybe just raise the seat and see if that helps rather than moving it back
as well. It will move back a little by moving up anyway, and I've learned
the hard way to change just one thing at a time when trying to address this
sort of trouble. I think that crankarm length should be okay--try it
My wife who is 5'3 with a PBH of 74 develops knee pain during rides longer
than 10 miles. As she has been easing into cycling over the last year, she
rides exclusively in her small chainring (24) on her Sugino XD2 triple 46-36-24
with 165mm crankarms. The pain is in front in her kneecaps. I
This advice comes from years and years of troubleshooting bicycles, cars,
motorcycles etc. Go with the easiest, cheapest fix first. Pain in the front
of the kneecap is often associated with tight hamstrings. There are simple,
effective stretches for the hamstrings, and they’re a lot cheaper
