>>2035660
>riding fixed trains a smooth pedal stroke

Riding fixed will fuck up your pedal stroke. You'll be pushing down for too long because you can get away with it. And you never pedal in circles. You never pull up. That has been debunked and it ruins your knees. You push down from 1-5 at low cadences or 2-4oclock on faster cadences. Your legs are just pistons pushing down