+ offset question

[BradWatson8541]

Is there any concern with running a +1 offset on a 12.5 tire? i really want to try to keep the tires under the fenders as much as possible, but am worried there will be rubbing if i go with a positive offset. thought i would consult the group before i pull the trigger on some wheels.

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[Renegade]

AEV Borah wheels are +25 and work fine. You should have no problems with +1, other than them not staying under your fenders...

 

[WXman]

Yeah, like he said +18 to +25 is ideal for these JL/JT models.

You can do a +1 but it's going to put a lot of tread outside of the fenders, and it'll increase the chance of rubbing in the front end unless you've got a pretty substantial lift.

I definitely try to avoid negative offset. Just my opinion. Positive is better for lots of reasons.

 

[BradWatson8541]

Thank you for the input. The wheel i am looking at comes in a +20 so maybe i should go that route. i was just worried since it is a wider rim and ultimatly a wider tire than what comes standard that it would rub, and that maybe that's why so many go with negative offset.

 

[Renegade]

Thank you for the input. The wheel i am looking at comes in a +20 so maybe i should go that route. i was just worried since it is a wider rim and ultimatly a wider tire than what comes standard that it would rub, and that maybe that's why so many go with negative offset.

Width of the wheel affects the cross section width of the tire, but not where the tread edge is. Offset determines which direction the tire actually moves, in or out. That's why offset often makes more logical sense than backspacing. Backspacing changes with wheel width and has to be recalculated depending on that width.

 

[RedTRex]

Awesome info guys!

Brad this site may help you some....... https://tiresize.com/wheel-offset-calculator/

 

[MPFit]

Damn I’m not good with math at all- and this really confuses me. I have to ask; the wheel I’m looking to replace my Overland 18” with comes 9” wide. They come with options of
-12 offset and 4.5 backspace.
Would that be an issue? Other than the bolt pattern; backspace and offset remain the same in each wheel.

 

[Renegade]

Damn I’m not good with math at all- and this really confuses me. I have to ask; the wheel I’m looking to replace my Overland 18” with comes 9” wide. They come with options of
-12 offset and 4.5 backspace.
Would that be an issue? Other than the bolt pattern; backspace and offset remain the same in each wheel.

Those will sit 56mm (or 2.2”) more outboard than the stock wheels.

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