At what psi can I travel 65-75mph?
This Maxxis pdf has the same table. Using the table(s) above, my ST175/80R13 with 1060lbs load could run at a minimum 35psi with ~4% reserve capacity. Is there a +10lbs rule? I run with +1...
Forum Discussion
Bionic Man wrote:
What I don't understand is that there is obviously a market for a higher speed rated ST tire without adding the additional 10 PSI. Not sure why someone doesn't step up and fill that void.
Greeball Tires have a ST tire rated @ 75mph.
