What rim size for 315/70 tire? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 5 Old 06-21-2015, 05:23 PM Thread Starter
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What rim size for 315/70 tire?

I have a 3' lift in my jku now and am looking to get bigger tires and different rims. Im pretty set on going with the 315's for tires and need to know what backspacing and rim size to go with, also anyone have any cheap, but good rim recommendations?
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post #2 of 5 Old 06-21-2015, 05:46 PM
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You will want backspacing of 4.5" or less. For a 12.5" wide tire an 8.5" wide rim works well. Can't help you with the wheel choice; its very subjective.
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post #3 of 5 Old 06-21-2015, 05:47 PM
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Lots of threads out there that give great examples with pictures, but I think the general rule is about 4.5-4.75" of backspacing and a width of 8-9 inches. You can run a wider rim, but you may have issues keeping the bead seal if you run low pressure off road.

Oops... a minute too late. I just saw the previous post as I finished this one.

Last edited by rgeorge33; 06-21-2015 at 05:49 PM. Reason: Redundant information.
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post #4 of 5 Old 06-21-2015, 06:17 PM Thread Starter
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I think im going to go with a 17x9 rim with either 4.25 or 4.5" of backspacing, I like the look of good ol black steel rims but is there a big difference between steel and alloy rims? My jeeps my daily driver and I do a bit of offroading every now and then but its not souly an offroad vehicle
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post #5 of 5 Old 06-22-2015, 04:22 AM
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With a steel wheel if you bend a lip on the trail you can normally beat it back into place with a BFH. With an alloy wheel you can't do that, it will just crack and break off the lip.
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