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Re: 33's = increased risk of rolling off bead when aired down & at 30-35 degree + ang
First off, if your running a stock wheel you should not exceed 20psi if you need to air down. Airing down should be done when in very soft sand or climbing a rock garden. Most people that don’t encounter these types of terrain really don’t need to air down at all. Now, I do know some including myself, like to air down some because it makes the ride more cushioned and comfortable.
If you want to air down under 20psi, then you need to change your wheels out to a bead lock. This is what they are for. With a bead lock, you can basically let all the air out of your tires and won’t loose the bead. Depending on the type of tire you have. This creates more outward forces to the sidewall, thus increasing the chance of failure with most stock tires.
I myself am getting ready to change out to a true bead lock, I wanted to when I started upgrading items on my rig, but the bead locks I wanted were pretty expensive. They still are for forged wheels and then you have cast and then steel bead locks, which are very reasonable. I hope this helps.
Mike
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