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Discussion Starter #1
Looking at the ion 133. They have a 3.5 bs this seems like a lot for a 31 inch tire. How would this look on a stock tj without a lift?
 

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Most stock wheels have 5.5" of bs and can run a 31x10.50 tire with no issues. At 3.5" of bs the tires will be pushed out 2" on either side. This will result in the "training wheel" look. A lot of people do run 3.75" of bs, but that's typically with a 33x12.50 tire. If your buying for the future, i.e. moving up to a 33" tire, then bs in the 4" - 4.25" is ideal, depending on the tire.

You'll also want to look at the rim width. Keep in mind that if it's a 10" wide rim and you run a 31x10.50 tire, you'll have very little side wall protecting the rim. Here is a little rule of thumb reference chart to help:

Rim size - 6" Tire size 9.50" Max
Rim size - 7" Tire size 9.50"-10.50"
Rim size - 8" Tire size 10.50"-11.50"
Rim size - 8.5" Tire size 10.50"-12.50"
Rim size - 10" Tire size 12.50" and Up
 

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Discussion Starter #3
Thank you for the info on the backspacing. I thought the same thing about wheels sticking out to far. The wheel guy says the ion only comes in a 3.5 bs and I have seen them on tj's with 31's online. Its hard to tell how far the stick out. What is the offset have to do with this?
 

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Thank you, I have spoke with Ion, they said that with the offset this their wheels have for the TJ'S this wheel will look good even though the backspace is 3.5" the offset makes up some of the diff. I hope they are right. lol Thank for your help bud!
 
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