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Buckster

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Especially because most Jeeps owners air down there psi.

And the wear on the tire alone should deter you from doing so

wide-rim-drawing.jpg
Great illustration!

Fully aware and agree with the disadvantages of running too narrow of a wheel for a given tire. I found an awesome wheel months back that checked all the boxes for what I wanted, but i didn't screen shot it and I've yet to refind it. It was a gloss black 5-spoke with machined rim, either 8.5" or 9" wide, and had a positive offset of around 12mm.
 

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jeepingib

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Especially because most Jeeps owners air down there psi.

And the wear on the tire alone should deter you from doing so

wide-rim-drawing.jpg
It's quite misleading to show pictures from a mountain bike and compare them to automotive tires. Our tires are steel belted radials and perform quite differently from those single bias ply thin bike tires.

The dimension that you stated earlier about measured wheel width, that refers to the overall width of the wheel, not the mounting width. The average person does not understand that they should measure where the tire sits in the bead of the wheel, so some manufacturers list the measured wheel width. It is the mounting with plus 1/2"
 

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It's quite misleading to show pictures from a mountain bike and compare them to automotive tires. Our tires are steel belted radials and perform quite differently from those single bias ply thin bike tires.

The dimension that you stated earlier about measured wheel width, that refers to the overall width of the wheel, not the mounting width. The average person does not understand that they should measure where the tire sits in the bead of the wheel, so some manufacturers list the measured wheel width. It is the mounting with plus 1/2"
It's an exaggerated visual. Same idea.

Especially with large tires w low psi. Low profile tires I can understand the risk may be lower but with a large tire there is more bubble and 'sway' sort-a-speak.

Who told you the tolerance is ½"?!
 

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It's an exaggerated visual. Same idea.

Especially with large tires w low psi. Low profile tires I can understand the risk may be lower but with a large tire there is more bubble and 'sway' sort-a-speak.

Who told you the tolerance is ½"?!
It is extremely over exaggerated as a Jeep wheel and tire are A. Completely different dimensions and proportions relative to each other. The much wider wheel and tire combinations are inherently much more stable. B. As stated before the steel radial belting provides a tremendous amount of lateral stability. And the "low" psi claim does not have any credence to it either. Even at 30 psi the tire is completely inflated and stable.

The 1/2" dimension is the width of the beads on the wheels. It is just a general measurement between the overall width of the wheel and the inner mounting surface.
 

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It is extremely over exaggerated as a Jeep wheel and tire are A. Completely different dimensions and proportions relative to each other. The much wider wheel and tire combinations are inherently much more stable. B. As stated before the steel radial belting provides a tremendous amount of lateral stability. And the "low" psi claim does not have any credence to it either. Even at 30 psi the tire is completely inflated and stable.

The 1/2" dimension is the width of the beads on the wheels. It is just a general measurement between the overall width of the wheel and the inner mounting surface.
"Extremely" is a stretch, although I understand your point well.

If you go off roading and are at 20/15psi the illustration proves quite accurate while rolling over an obstacles.
 

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"Extremely" is a stretch, although I understand your point well.

If you go off roading and are at 20/15psi the illustration proves quite accurate while rolling over an obstacles.
Yes when off-roading at low psi the tire will deform. That's kind of the point. But at those low speeds the lateral stability is not a problem. And a narrowish wheel is more likely to hold the bead at lower psi than a wide wheel.
 

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Yes when off-roading at low psi the tire will deform. That's kind of the point. But at those low speeds the lateral stability is not a problem. And a narrowish wheel is more likely to hold the bead at lower psi than a wide wheel.
Yes the point, but not mounted on the wrong size wheel.

Sorry buddy, your misinformed
 

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Must have bounced out....

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During World War II, more than 80,000 soldiers got pilonidal cysts that put them in the hospital. People thought they were because of irritation from riding in bumpy Jeeps. For a while, the condition was called "Jeep disease“
—- WebMD. (Not going to link the article)
 

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Yes when off-roading at low psi the tire will deform. That's kind of the point. But at those low speeds the lateral stability is not a problem. And a narrowish wheel is more likely to hold the bead at lower psi than a wide wheel.
I believe that a larger wheel and less sidewall is what holds your bead, not wheel width. It’s a wheel-to-tire diameter ratio issue. A 20” wheel with a 35” tire will hold bead better than a 17” wheel with 35” tire, at the same PSI.
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