Originally Posted by
Geordi Laforge
is there a measurement to determine optimal crank fit?
I should consult my zinn book.
Peter White Cycles has a calculation that worked well for me.
"...18.5% of the distance from the top of the femur to the floor in bare feet should be the crank length. ..."
Here's a link to his bike fit article:
http://www.peterwhitecycles.com/fitting.htm
I just moved from a 175mm to 160mm and it feels great.