E rated tire with max psi of 65?

CapriRacer wrote:

MFL wrote:
Where are all the tire engineers when you need them? My wag is that these tires are designed as onroad/offroad, so even though e-rated, a lesser max pressure is best for the hybrid use, that the tread and sidewalls are designed for.

JMO, but I'd not use a wider tire, than what the rim is designed for.

Jerry

So here I am.

It's a long story why some E Load Range tires have a max pressure of 65 psi, but it deals with the burst pressure - ergo larger sized tires will have the lower pressure. It has nothing to do with onroad/offroad.

This is not unique to E Load range tires.

And just to assure some folks: The burst pressure of a tire is many times the max pressure. Tires do NOT burst based solely on the pressure. They will burst if they hit an object hard enough, regardless of the actual pressure in the tire. They'll also burst if cut deep enough to cut cords!

One of our hundreds of tire engineers showed up! Thanks for chiming in. While you SAY burst pressure the reason, then add that burst is many times the max pressure, it would seem that 80 psi rather than 65 psi, would not cause burst.

I disagree with the off/road design, as provided in OPs link, not being a factor. In my experience with off/road motorcycles and the oem tires, they are designed to use lower pressure.

Not sure if CapriRacer has off/road experience, or schooled knowledge of this particular tire, or just making a wag of his own?

Google, our modern day TE may have best answer, for anyone wanting to search! ;)

Jerry