Originally Posted by
whitecat
In all reality, probably the tire would hold 50PSI, but is simply does not give me confidence to descend at 30+ mph on a busy road while keeping up with the traffic. If the tire exploded in such circumstances, it would be hard to get out of that alive, and I have decided I am not willing to risk it.
50 psi tire exploding at 30mph...? If you are doing serious descending, get a good quality tire and put the pressure at the recommended top level. Otherwise use your brakes.