Originally Posted by
TejanoTrackie
I had a pair and they were impossible to mount. Also, you can't fold them like conventional tubulars, so you can't carry a spare to change if you get a flat. So, if the sealant fails you have to break out the cell phone to get rescued. I got rid of mine, and now just use clinchers, which are just as good as tubulars IMO.
I cut the rear tire on glass when it only had about 100 miles on it. The cut was more than an inch long and emptied all of the sealant. I rode home several miles on the flat tire.