This may have been my post/thread. On the original wheels that I had, they were rated for a certain pressure. Others don't recall seeing any information stamped on the wheel. My tire guy said it wouldn't be a problem, so I used the original rims with my new tires. He did give me metal valve stems though.
We took a trip from BC to CA a couple of years ago on these rims/tires inflated up to 60psi. We had no trouble.
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