Originally Posted by
kickstart
The main disadvantages of no foot retention is the extra effort to position a pedal for starting off, and some loss of efficiency under certain conditions.
? Seems trivially easy to just kick the pedal back to where you need it. And I agree, the loss of efficiency is only in some conditions, and I don't think I'm ever in those conditions. I don't race. Actually, two years in a row I participated in the Devil Dog Duathlon at camp pendleton, but my 1:08:37 time on the 30K ride would I'm sure be no different if I wore platforms & running shoes -- and my transition times would have been faster from no changing.