Spare tire

grabeb

TJ Enthusiast
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Jun 29, 2021
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Kansas
01 jeep tj sport. Just bought the 5th tire to match, 31x12.5 15s and it doesn't fit on the stock spare tire holder. What's the appropriate fix?
 
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https://www.amazon.com/Rugged-Ridge-11585-01-Textured-Wrangler/dp/B003AOKKWQ/?tag=wranglerorg-20
 
I have a 33x10.5 R15 spare mounted on a stock carrier but it’s on an aftermarket wheel with less backspacing than factory. That pushes the tire further out and the snubbers have to be extended to make contact. It’s possible your tire at 12.5 is too thick for the stock wheel to mount without an aftermarket carrier or wheel with less backspacing. Do you get any rubbing when turning?
 
Might need to add a wheel spacer to the stock spare tire carrier. And trim the snubbers. And decide if you need tailgate reinforcement for the extra weight.

-Mac
 
Might need to add a wheel spacer to the stock spare tire carrier. And trim the snubbers. And decide if you need tailgate reinforcement for the extra weight.

-Mac

That was something I wondered about as well. How does one decide if reinforcement needed and is this hard to properly accomplish?
 
Morryde makes a kit. I think it's worth it.

Some folks install supports on bumpers and such to hold up the tire so the weight isn't always on the hinge and tailgate.

-Mac
 
That was something I wondered about as well. How does one decide if reinforcement needed and is this hard to properly accomplish?

Reinforcement shouldn't be required with 31s.
If you're concerned, you can get just the hinges instead of the whole (Morryde) kit.

31x12.5 15s and it doesn't fit on the stock spare tire holder.
12.5 wide?
That's the real issue.
 
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Reinforcement shouldn't be required with 31s.
If you're concerned, you can get just the hinges instead of the whole (Morryde) kit.


12.5 wide?
That's the real issue.

I mis-typed they are 10.5 wide.