UCI don't limit rim depth, but CTT do, in effect. Wheels are more complicated, though, because the rim is spinning too, generating a bunch of extra skin friction. The old Zipp 1080 was about 130mm deep once you include the tyre, so clearly such a depth is usable on front wheel.
UCI don't limit rim depth, but CTT do, in effect. Wheels are more complicated, though, because the rim is spinning too, generating a bunch of extra skin friction. The old Zipp 1080 was about 130mm deep once you include the tyre, so clearly such a depth is usable on front wheel.