Quote:
Originally Posted by Bad Luck
I don't know where you got that from but wider tires on narrow wheels are much less likely to lose a bead. Rock crawlers have been using that combo below 10 psi for decades without an issue.
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285's on a 7.5 inch rim are definitely a concern for losing the bead at 12-14 PSI. I have personally witnessed a few debeadings on stock wheels with that size. I have no issues on the same wheels with 265 vs 285's.
I get what you are saying about rock-crawlers. Ideally the width of the rim is within an inch of 2 of the tire, and yes, the rim does benefit from being slightly narrower, but there's a break even point for that.