Originally Posted by
RoboChrist
Well shoe thickness might be a bit anal, pretty soon guys will be measuring their foot thickness to see at what point your foot should be impaled on the spindle
Seriously, if you do the 109% and take into account your crank arm length and pedal stack it should be spot on (in my opinion).
With my method, their is nothing to measure and no calculations.
The thickness of the shoe and pedal stack can easily vary by more than 1cm. Both the .883 and 1.09 formulas are quite adequate as starting points for me, but I use a relatively thin carbon soled shoe with low-stack speedplay pedals without the 3mm thick 3-hole adapter. With cheaper shoes and another brand of pedal, my saddle might be 1cm higher.