Originally Posted by cyccommute

. I've had them blow off on Lolo Pass in Idaho just after inflating to the recommended pressure. I've had them blow off while sitting on a car rack. And I've had them blow off that 4 times in Texas. I eventually found a pressure that I could ride them without blowing off the rim...it was around 60 psi...but the pressure was so low that I had to be extremely careful with bumps and pot holes to avoid pinch flats. I don't run that brand anymore because of the many, many issues I've had with their tires.