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Old 11-18-2019, 01:18 PM
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Experience with KO2

Hey everybody! This winter I'll be replacing the tires on the Jeep with KO2s. I'm thinking 33s, since I still have stock suspension, but that's pretty much the only detail I'm tied to. I'm wondering what everyone's experience is with what the best width and rim size is? I want to get new rims with it as well, so I can roll with slightly wider tires as long as I go with a tire with wider backspacing.

Hit me with your thoughts!

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Old 11-18-2019, 01:24 PM   #2
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I would recommend finding a 17" wheel in a 8.5-9" width with approx 4.5" of backspacing. KO2 is an excellent tire but it does run a little small height wise.
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Old 11-18-2019, 01:49 PM   #3
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If I wanted a 33” KO2, I would be looking to a set of JLR take offs.

Even if you get the rims as well, you could resell them separately.
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Old 11-18-2019, 01:50 PM   #4
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Stock JL rubicons are 285 70 17
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Old 11-18-2019, 03:05 PM   #5
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265/70/17 came stock on my 2017. Excellent all around tire. Only complaint is that now at 46k miles, they are getting noisey. Still have 10K+ service miles left in them I am guessing.

285/70/17 I have on AEV Salta wheels. Thus far excellent. Same tire, just a touch taller and wider.

Both have been great in everything form fine particulate dusty roads to red clay, small rocks to 12"+ rock trails. Snow is great up to 12-14" without issue.
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Old 11-18-2019, 03:12 PM   #6
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Very happy with mine! Went with 17x9 Ridgeline Raptor wheels, with the 285/70/R17 tires from Discount tire and very happy all around. They are quieter than I expected, traction is 100 times better than the stock ones that were on the JKU. I fished around for from JLUR take-offs but they were just too hard to find, the ones I found were going for 1200-1400 with the rims and while I liked them, I really wanted all black.
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Old 11-18-2019, 03:20 PM   #7
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Quote:
Originally Posted by ssinga View Post
I would recommend finding a 17" wheel in a 8.5-9" width with approx 4.5" of backspacing. KO2 is an excellent tire but it does run a little small height wise.
Agree with the above, and with the 4.5" backspace you should be able to get away with 285/75 KO2's which will give you a 34" tire (33.9" per the spec), and about a 9.5" tread width which is a good compromise between a pizza-cutter and something that looks silly big. It should also just barely clear the bumper cut-out if you are using the stock rear tire carrier. FWIW I measured my inflated diameter at exactly 34" so I don't think they really run small, or at least they are true to their specification.
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Old 11-18-2019, 04:03 PM   #8
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285/70-17 KO2s C rated (same as JL Rubi) on 17 x 8.5 Quadratec Moabs with 5.2 backspace. Puts the tire to the edge of the flare, not sure if it is important to you but I think 4.5 backspace will have tread sticking out from the fenders.

Not sure what tire size your coming from, I went from 255/75-17 on stock rims and the new setup was only 1" taller (31 vs 32) - BFGs do run on the smaller side as stated earlier. I did use a Procal to adjust for the change, but could have got away without it.

I too looked for JL Rubi takeoffs and found the same problem as bdog22. The bonus with new wheels with the increased backspacing is you don't need to worry about spacers.
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Old 11-18-2019, 04:03 PM   #9
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I ran P305/60R17 KO2's for several years. They are 12" wide and basically a 33" tire. Decent in the snow too.

With no lift, the rears would rub very slightly in the inner fender at full stuff, other than that, they were fine on 4.5" BS wheels.
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Old 12-06-2019, 09:42 AM   #10
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I use the KO2's as my summer tires because they are not good on ice. I have a set for the winter good for ice and snow.
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Old 12-06-2019, 02:00 PM   #11
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I ran BFG AT KO's for years and always had great luck. I always got at least 60k miles out of them on Jeeps and half ton pickups. However, their quality control went down a few years ago and there were a lot of balancing issues so I switched to Toyo/Nitto tires and like them even better than the BFG's.
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Old 12-07-2019, 12:40 PM   #12
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I'll second what others said about getting some take-offs from someone's JL Rubicon! I was able to score a new set for $800 for all 5 wheels and tires. I sold the wheels, since I have a nice set of Fuels, for $400....so yea, new set of tires for $400! I'm also stock suspension and they fit nicely! I went wheeling for the first time a month ago using them and was very impressed with how well they performed on the trail!
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Old 12-07-2019, 03:47 PM   #13
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Great tire for pavement and light off-road use. Collects rocks like crazy. Super quiet on highway. Terrible grip in mud. Good in rain. Weight is normally a bit less than others, a bit smaller in diameter. Expensive. Prefer Ridge Grapplers as they perform ~ the same on road, and they are better off road / in the mud and look better/more aggressive. Just my experience from owning both. If purely pavement/ fire roads canít go wrong with BFG. Or very dry conditions off-road. Only my opinion.


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