My theory on tall rims in crits, why they work, some sort of objective numbers, and miscellaneous other thoughts:
http://www.bikeforums.net/showpost.p...3&postcount=19
There is some interesting arguments after that post too, but they basically support my rough theory.

Some musings on deep rims:
http://sprinterdellacasa.blogspot.co...-all-time.html

cdr