They'll make you faster, or at least make it easier
(1) in a sprint, and
(2) going up hills.
But it won't be like night and day.
Originally Posted by
7bmwm3gtr
I remember a discussion about clipless pedals and speed.
umd posted in there that he had a friend who won a TT with slippers/ flip flops.
I have a pair of clipless flip flops. I use them in the summer when I bike to swimming beaches with lots of rocks underwater.