Originally Posted by bbattle
Disk wheels are useful only in non-wind conditions: the track or short, flat time trial courses. And only if you plan on riding flat out. In city traffic, they would be worse than useless, a heavy anchor to drag from one intersection to the next.
In a time trial in the Coor's Classic back in the 80's, they used disk wheels on the FRONT, too. Dangerous. I've never seen that done since.
They still do for indoor kilo events.