Originally Posted by
Miele Man
There must be a number of reasons besides expense, for why pro riders and even some higher category amateur riders have 'training days wheels' and 'race days wheels'.
Most amateur races (in my region) don't have neutral wheels, so if you flat or something and don't have extra wheels, your day is done.
That's why I got my first extra set of wheels, even though they were just as crappy as the ones I raced on.