Originally Posted by
Panthers007
A "dead-spot" in a pedal revolution is well know. Guess it took a heavy foot to find it. This was the idea behind Biopace Chainrings and similar - to keep an even pressure going full-circle. It has to do with power-transfer and human physiology. You bike isn't broken - either you are, or your human.
yah, i understand the physiology of the pedal stroke. it is not that, and much much more pronounced.