Originally Posted by
Plow13
i always see the TT bikes with the disc rear wheel for aerodynamics...so why dont they use the disc wheel in the front too?
My guess is it'd be pretty hard to handle. I'm sure it's been done, but the risks of making the bike even harder to handle might outweigh the benefits.
EDIT: According to Wikipedia, Fignon used a front disc in the 1989 TDF.