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Old 12-10-2019, 09:10 AM
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17 or 18 inch rims?

Hi Everyone.

I need some help and I really dont understand the difference. I have a 2018 JKU that has 18 inch rims on it currently and a 3 inch lift.

I am looking to buy new rims and tires but I dont know if I should go with 17 or 18s. I am not going big on the tires. Standard size 285/70/17 or 285/65/18 depending on the rim.

I just dont understand the difference of what the rim size will get me. 17inch are cheaper of course but I have read that 18s give better handling. Please help me understand as I really dont know what to do.

Thank you in advance.

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Old 12-10-2019, 09:54 AM   #2
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17s are kind of the optimal size for JKs that go off road a lot. The tire has more side wall, they're cheaper and the wheel can fit big brake kits. 18s may look a little better but as you found, tires are more expensive. The 18s would have better handling though on road corners because there is less sidewall to flex under the Jeep...but...it's a Jeep. You aren't going to be cornering fast enough to notice.

So, if you are going offroading, 17s. If it's a pavement princess, 18s.

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Old 12-10-2019, 10:48 AM   #3
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Another thing to consider is the weight of the 17" rim vs. the weight of the 18" rim. My wife picked out a rim she wanted on her 2 dr. which was only made in 18" or 20" or 22". I did not know this but the 18" rim she picked was made for 3/4 ton pick-ups or larger. Her stock 17" rims and tires weighed 85 lbs. We weighed the new rims AFTER we brought them home and I was putting on the 'behind the tire 3rd brake light ring' and was shocked at how much the new tire/rim combo weighed. 125 LBS.!!! This meant a new aftermarket spare tire holder, instantly. The 37's on my unlimited only weigh 110lbs. I almost can't lift her spare up to put it back on the mount. Watch the weight of the 18+ sizes. NO, I would "NOT" have gotten these rims for her if I had known this beforehand. Besides, she recently found a style she likes better. BUT, since investing over $3000 on her 5 tires and rims, she is stuck!! And so am I when it comes to tire rotations. 125 lbs for a 33x12.50x18. Oh my aching hernia.
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Old 12-10-2019, 07:34 PM   #4
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Thread moved to JK General.

Hopefully you'll get more answers in this section.
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Old 12-10-2019, 10:12 PM   #5
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17”
Are also a more popular size so there is more variety of style and size tire.


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Old 12-11-2019, 12:45 AM   #6
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Originally Posted by 87_WhyJay View Post
Another thing to consider is the weight of the 17" rim vs. the weight of the 18" rim. My wife picked out a rim she wanted on her 2 dr. which was only made in 18" or 20" or 22". I did not know this but the 18" rim she picked was made for 3/4 ton pick-ups or larger. Her stock 17" rims and tires weighed 85 lbs. We weighed the new rims AFTER we brought them home and I was putting on the 'behind the tire 3rd brake light ring' and was shocked at how much the new tire/rim combo weighed. 125 LBS.!!! This meant a new aftermarket spare tire holder, instantly. The 37's on my unlimited only weigh 110lbs. I almost can't lift her spare up to put it back on the mount. Watch the weight of the 18+ sizes. NO, I would "NOT" have gotten these rims for her if I had known this beforehand. Besides, she recently found a style she likes better. BUT, since investing over $3000 on her 5 tires and rims, she is stuck!! And so am I when it comes to tire rotations. 125 lbs for a 33x12.50x18. Oh my aching hernia.
Sell them. You’ll lose a few bucks but better then running boat anchors at all four corners. My 17s with 35s are in the low 90s.
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Old 12-11-2019, 08:18 AM   #7
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Sell them. You’ll lose a few bucks but better then running boat anchors at all four corners. My 17s with 35s are in the low 90s.
I'd be lucky to get 1/2 what they cost. Besides, if gravity ever starts to disappear, she'll be one of the last to float off into space.
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Old 12-11-2019, 10:44 AM   #8
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Huge tire selection in 17's and a much more reasonable price.
Side wall is taller height to height.
Easier to sell if you decide to change or sell your rig.
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Old 12-11-2019, 11:25 AM
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Thanks all. I am going to go with the 17s.

https://www.quadratec.com/p/fuel-off...ack-d560179026

Now to decide on a tire which I have narrowed down to the Nitto, BFG TA KO2 or Falken Wildpeak AT3W.

There are plenty of forums on this so not looking for advice to start another pandora's box forum.

Thanks again.
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Old 12-11-2019, 11:50 AM   #10
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Originally Posted by finnigc View Post
Thanks all. I am going to go with the 17s.

https://www.quadratec.com/p/fuel-off...ack-d560179026

Now to decide on a tire which I have narrowed down to the Nitto, BFG TA KO2 or Falken Wildpeak AT3W.

There are plenty of forums on this so not looking for advice to start another pandora's box forum.

Thanks again.
Get the wheels you like, but I have to point out that 40 lbs for a 17" wheel seems pretty heavy. That is more than my new beadlocks weigh. With those wheels I would look for the lightest tire I could find.
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Old 12-11-2019, 12:09 PM
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I guess that leads to a good question of how much does the current tire carrier hold?
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Old 12-11-2019, 12:52 PM   #12
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I guess that leads to a good question of how much does the current tire carrier hold?
I have heard anywhere from 50 lbs up to 85 lbs. I suspect 75 - 85 lbs is where it is. That only leaves 45 lbs for a tire.
And it is as much about the tailgate hinges as it is about the tire carrier itself. You can re-inforce the hinges and / or upgrade the carrier.
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Old 12-11-2019, 01:03 PM   #13
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I feel like there are more tire options for 17 and 20 inch wheels than 18's.
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Old 12-11-2019, 01:06 PM   #14
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Originally Posted by Silentfoe View Post
17s are kind of the optimal size for JKs that go off road a lot. The tire has more side wall, they're cheaper and the wheel can fit big brake kits. 18s may look a little better but as you found, tires are more expensive. The 18s would have better handling though on road corners because there is less sidewall to flex under the Jeep...but...it's a Jeep. You aren't going to be cornering fast enough to notice.

So, if you are going offroading, 17s. If it's a pavement princess, 18s.

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I liked the description....."pavement princess"
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Old 12-11-2019, 04:37 PM   #15
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I guess that leads to a good question of how much does the current tire carrier hold?
2018 is 85 pounds total.


EDIT: Here's a thread that lists all years JK weight limits for the tire carrier.

https://www.wranglerforum.com/f274/j...s-2372623.html
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Old 12-11-2019, 07:42 PM   #16
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Go 17” - I plan on going 17” for my new wheels.
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Old 12-11-2019, 08:27 PM   #17
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My ProComp Alloy wheels and 35” Pitbulls were well over 100lbs. Same wheels with 37” Pitbulls are up around 130lbs.


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Old 12-11-2019, 08:39 PM
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Looks like I will be about 88-90 depending on the tire. Do you think I can get away with the stock carrier or should I just get a new one?
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Old 12-11-2019, 08:45 PM   #19
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Looks like I will be about 88-90 depending on the tire. Do you think I can get away with the stock carrier or should I just get a new one?
New one....
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Old 12-11-2019, 08:47 PM   #20
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Looks like I will be about 88-90 depending on the tire. Do you think I can get away with the stock carrier or should I just get a new one?
The stock carrier is rated for 85 and you are looking at a 90 pound weight. I think you should be fine as well as you get it snug. Make sure the wheel sits tight against the rubber bumpers. My spare will be 100 pounds and I am going to give it a go as long as it is snug to the tailgate.
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Old 12-11-2019, 08:49 PM   #21
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Quadratec’s own brand of 17” wheels are 22-25 lbs each.

None of this 40-lb nonsense.
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Old 12-11-2019, 08:56 PM
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not sure which wheel you are looking at but their hardrock is 37
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Old 12-11-2019, 10:14 PM   #23
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Looks like I will be about 88-90 depending on the tire. Do you think I can get away with the stock carrier or should I just get a new one?
Keep in mind that the weight bounces around back there putting extra stress on the carrier.

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Old 12-11-2019, 10:17 PM
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yeah I think I am going to get this one: https://www.quadratec.com/products/12052_1761_07.htm
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Old 12-11-2019, 11:36 PM   #25
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yeah I think I am going to get this one: https://www.quadratec.com/products/12052_1761_07.htm
That’s just the carrier hinge. You’ll also need the wheel mount for it: https://www.quadratec.com/products/12052_1762_07.htm

Or get this combo: https://www.quadratec.com/products/12052_1760_07.htm
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Old 12-12-2019, 07:15 AM   #26
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The stock carrier is rated for 85 and you are looking at a 90 pound weight. I think you should be fine as well as you get it snug. Make sure the wheel sits tight against the rubber bumpers. My spare will be 100 pounds and I am going to give it a go as long as it is snug to the tailgate.
Keep this in mind. It is not just about the mount attached to the tailgate that you have to worry about. Tighten that up all you want. All that weight is on the hinges of the stock tailgate, and that weight will cause the stock hinges to sag and wear. Then it becomes loose, because the hinges have play. At that point, it doesn't matter how much you tighten the tire and wheel to the mount. It will rattle and wear. Eventually it will fail. It is just a matter of time.
You can get hinge re-inforcements, as well as a stronger mount. If you are going ro run a tire / wheel combo that exceeds the stock set ups capacity I would suggest that as a minimum. There are plenty of examples of failure in this respect.
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Old 12-12-2019, 07:48 AM
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That’s just the carrier hinge. You’ll also need the wheel mount for it: https://www.quadratec.com/products/12052_1762_07.htm

Or get this combo: https://www.quadratec.com/products/12052_1760_07.htm
I didnt think you would need the additional mount since this works with the existing mount and the carrier hinge would add the additional support needed for the few pounds I will be over. I am not going over the weight limit by that much.

Thoughts?
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Old 12-12-2019, 08:02 AM   #28
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I didnt think you would need the additional mount since this works with the existing mount and the carrier hinge would add the additional support needed for the few pounds I will be over. I am not going over the weight limit by that much.

Thoughts?
You should be fine. Other than with the backspacing of the wheel you probably want an adjustable carrier so it fits snug. The weight you see on rims is shipping weight so they will be lighter by 3-5 lbs. also not sure on those rims but fuel uses dual pattern rims which I personally don’t care for. For the money hard to beat the falken at3w tires.
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Old 12-12-2019, 10:39 AM   #29
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I went 17" on my TJ, do yourself a favor and look here before you overpay for wheels at that place you posted: https://www.extremecustoms.com
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Old 12-12-2019, 10:47 AM   #30
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so Fuel lists those rims as dual bolt pattern rims and weight for 17x9 as 37lb and a Falken 285/70-17 is listed at almost 63lbs in C load so 100lbs by the time you add weight etc. I would get an adjustable hd carrier along with the hd hinge. buy once cry once.

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