Originally Posted by TRaffic Jammer

Didn't mean it to sound so dramatic with the deaths. BUT
I've been riding for alot years, and these wheels are the first if not only wheels I've heard of simply stop holding a person up.
http://pardo.net/bike/pic/fail-020/index.html

They haven't made 'em for many years, nor has the design been copied for a good reason.
The link has some reports on how they've failed for people. there is a serious design flaw in them, despite how flipping cool they look.

I've got a 650 tubular one that's becoming a lamp.