Originally Posted by
Racing Dan
Is there no vent hole for water or is it just not big enough to depressurise the rim at a sufficient rate? Every rim I own have it, but of course they are all alloy (and tubed).
I don't know about those tires specifically, but my Zipp 303S don't have drainage holes, which is pretty much the only niggle that I have against them. I got caught in two monsoons last summer and had to remove the tires and valve stems to drain them. Pain in the ass. That said, I haven't seen any reports of them exploding - I think that the Enve are
really thin.
Edit - here's some of my ride cam footage of one of the storms
