Originally Posted by
beng1
I was thinking of trying to make a set of covers for a rear wheel just for something to try. I ride a lot on a circuit where I used to participate in a time-trial, and although it is no longer being held, I still time myself around it now and then, so it would be interesting to see if covers for the rear helped with the time around the circuit at all.
they certainly should by cutting down on rear wheel turbulence and associated drag.