Originally Posted by
T-Mar
The Ginet formula is based on 170mm crankarms and specifically avoids compensation for different lengths of crankarms due to reported lose of efficiency.
One parameter that very few formulas take into account is the length of the foot, which may require raising or lowering saddle depending on its proportion to leg length.
Interesting that Ginet would conclude that 170mm crankarms are most efficient, regardless of body proportions. Also not only is foot length seemingly relevant, but where the cleat is place on the shoe (I guess those are related).