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Old 09-07-2014, 09:59 AM
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What size rims and tires will fit my 2015 JK?

Just ordered my 2015 Wrangler Sport. The only upgrade I chose was the 3.73 axel. It'll come with a soft top, half doors, and the small steel rims. I don't have the money for a lift yet but I do want to put bigger tires on it. I need advise on what to look for size wise. I want the tires to look wider so I heard I want time with less back spacing, please help. I want either 31 or 33"tires so what size rims do I buy?

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Old 09-07-2014, 02:48 PM
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Re: What size rims and tires will fit my 2015 JK?

Quote:
Originally Posted by hjk24jason View Post
Just ordered my 2015 Wrangler Sport. The only upgrade I chose was the 3.73 axel. It'll come with a soft top, half doors, and the small steel rims. I don't have the money for a lift yet but I do want to put bigger tires on it. I need advise on what to look for size wise. I want the tires to look wider so I heard I want time with less back spacing, please help. I want either 31 or 33"tires so what size rims do I buy?
I'm a fan of 15"'s myself and I know 33"s work fine, but you might be able to get away with 35" I have no personal experience with 35's though. I will copy and paste this from another site, if you want more info from it like prices and links and such, just PM so I don't violate any rules or whatever there may be here.

First, WEIGHT. Steel wheels are extremely heavy. The average 15x8 soft 8 styled wheel weighs approx. 27 lbs. On the aluminum side the average 15x8 alloy weighs only about 20lbs. This is a 35% weight difference. 7lbs per wheel may not sound like much to some of you but those that know about unsprung weight will tell you that every ounce you can save at your wheels is worth saving. The less weight you have in your wheels and tires the more $$$ you will save at the pump and the more power you will have at your feet when you want it.

Second FITMENT: Many of you have already found that 15" steel wheels are very hit and miss with brake clearance. Steel wheels are manufactured in two pieces, the center is stamped into shape and then welded to the barrel. This stamping process leaves flanges at the back of the spokes (or holes in the soft 8's case) and these flanges often make contact with the Jk's brake calipers. The easiest fix for this is to run spacers (not recommended by the wheel manufacturer). Running spacers adds $$$ to your wheel and tire package and again, weight. (The common Spidertrax bolt on spacers run $99.00 for the pair of 2) Some may try to grind down the wheel or caliper this is not recommended either. Grinding down the wheel can jeopardize the strength of the wheel and grinding down your brake caliper can be enough for some dealers to void your vehicles warranty. As for the 15" alloys listed below... They fit like a glove with no need for spacers. The 15x8 alloys below can run a 35x12.50-15 without any rubbing. (min leveling kit/mini lift needed)

Now on to STRENGTH: This is the controversial one and I personally don't know which one is stronger. I have heard arguments for both but I haven't seen any data to support either. Some say steel wheels are stronger and if bent can be straightened. Some say aluminum alloy wheels are stronger and have higher resistance for impacts. I have yet to see data from any manufacturer for impact testing. Both wheels are tested on a pass fail basis and both wheels, for DOT purposes, pass. According to the manufacturers of both steel wheels and the alloys listed below all of them have a load carrying capacity of 2400 lbs. I'm thinking, I might be able to have some testing done for this subject. I will keep you posted.


FINISH: Steel rusts, Aluminum alloy doesn't. Enough said here I think. Either one can be touched up easily if scratched or scuffed.




Those that want to can probably figure out the fuel savings in an average year to add to this cost difference. I'll leave that up to the mathematicians.


So your next question may be, what 15" alloys fit my 2007+ JK or JKU? Here's a list of the current 15" alloy wheels we guarantee fit.

15x8 -30mm Level 8 Tracker Full Matte Black: Wheel Details -
15x8 -19mm Level 8 Tracker Full Matte Black:
15x8 -30mm Level 8 Tracker Polished: Wheel Details
15x8 -19mm MB Razor Black and Machined:
15x8 -19mm Level 8 Punch Anthracite w/Machined lip:
15x8 -19mm MB Chaos 5 Black and Machined:
15x8 -19mm MB Chaos 5 Silver and Machined:
15x8 -19mm MB TKO Full Matte Black:
15x8 -12mm Black Rock D-Window Alloy Full Matte Black:
15x8 -12mm Black Rock D-Window Alloy Tungsten and Matte Black:
15x8 -19mm Black Rock Viper Tungsten and Matte Black
15x8 -19mm Black Rock Viper Tungsten and Silver:
15x8.5 -19mm American Outlaw Deptuy Matte Black/Machined:
15x8.5 -19mm American Outlaw Deputy Full Matte Black:
15x10 -38mm Black Rock D-Window Alloy Full Matte Black:
15x10 -38mm Black Rock D-Window Alloy Tungsten and Matte Blac
k:

Just to give you an idea of what 15" and 33's look like without a lift.
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Old 09-09-2014, 05:50 PM
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Talking Re: What size rims and tires will fit my 2015 JK?

Wicked helpful!!! Thanks a ton!!! Can't wait to start looking at some of those wheels.
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Old 09-10-2014, 07:17 PM
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Re: What size rims and tires will fit my 2015 JK?

I think your Sport comes with 16's, correct? I'm a fan of a little more wheel, so I'd stick with 16's maybe even go 17s and look from there. A perfect fit from what I have seen is a 17x8 or 9 wheel with 285 70 17 tire. Looks awesome and what I plan to upgrade to.
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Old 09-11-2014, 06:11 AM
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Re: What size rims and tires will fit my 2015 JK?

In the offroad world, the rule of thumb is that you want your tires to be at least twice the height of your wheels for optimum side wall. 15" wheel, tire greater than 30" and so on. Stock you'll have 16" wheels and 29" tires....and they just look goofy small.

Biggest advantage to using 15" wheels is that the tires are a lot less expensive. Disadvantage is that it's becoming more difficult to find tires for a 15" wheel since so many manufacturers are moving up to 17"+ wheels. Also, you'd not be able to mount a larger break caliper without new wheels.




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Old 02-06-2015, 06:30 PM
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Re: What size rims and tires will fit my 2015 JK?

Are there any 15x10s that fit?
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Old 02-08-2015, 08:52 AM
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Re: What size rims and tires will fit my 2015 JK?

One other thought - look for various online wheel/tire distributors that give you a preview option (they let you see what the specific wheels look like on your make/model/color vehicle). I have found those sites to be very useful in the past when wanting to get an idea of what the combination would look like. Most sites allow you to also select "+" sizes over stock.
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Old 02-10-2015, 08:46 PM
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Re: What size rims and tires will fit my 2015 JK?

Quote:
Originally Posted by Buchanangs View Post
Are there any 15x10s that fit?
Why the 15 x 10. Just curious. That's a hell of a wide tire on a smaller wheel.
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Old 02-14-2015, 12:22 PM
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Re: What size rims and tires will fit my 2015 JK?

image-1483892585 offset.jpg

image-965982043 custom wheel chart.jpg

^^^These will help you to understand wheel width, Back Spacing as it applies to offset.

A 285/70R/17 tire will be a good fit.
As for the wheel, 8", 8.5", or a 9" wide wheel will work.
A good BS (Back Spacing) for that wheel would be 4.5.

This will give you your wider tire and wider stance, without rubbing.....
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Old 04-18-2015, 04:59 PM
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Re: What size rims and tires will fit my 2015 JK?

I'm currently shopping for a Jeep, and coming from a sports car background, I wonder if rather than getting larger brakes, there are options for better compound brake pads to help with stopping distance? I never found the need to use big brake kits (also never had cars with gobs of power) as upgrading the pads generally did away with any braking concerns. That plus stainless steel brake lines, though I'm not sure the lines really did that much (objectively).

I ask about the brake pads because I prefer the look of the 15" wheel with bigger tires.
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Old 04-28-2015, 09:46 PM
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Re: What size rims and tires will fit my 2015 JK?

There are options for upgrades brakes. I was real happy with some vented and slotted Rebel Offroad rotors and pads that I used on my wife's first JKU. Some people fear getting rocks wedged in drilled holes of a rotor, though I didn't have any trouble with that. Slotted rotors can also self-clean dust and mud in ways that a smooth rotor surface never could. There are some Chinese made drilled rotors that have a poor reputation, so I'd hesitate to grab the cheapest set you find on EBay.

EBC is known for having great brake pad materials. Just assure you are getting the right type (color coded) for the driving you will be doing.


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