Originally Posted by
CRUM
I sell and ride both Speedplay and Egg beaters. Both work well. Both are reasonably light. The biggest difference in performance and it is not insignifigant is the float factor. Egg beaters have limited float, Speedplay has basically unlimited float. Float being how many degrees your foot can move side to side as you go through the pedal stroke..
Unfortunately, if you have to rotate your heel inwards to unclip (as I do), SpeedPlays are not for you. There is a modification that will allow you to rotate inwards, but it voids the warranty and the liability.