-12 vs -24 Wheel offset

Syntec · Mar 1, 2017

Close to pulling the trigger on 20" wheels, looking for feedback pics on -12 & -24 offset, want the setup to look aggressive and stick out a bit (will be adding fender flares down the road) -- however don't want it to be an overkill.

Post pics please :happy107:

2014greatwhite · Mar 1, 2017

I have -24 wheels with 35x12.5x20 tires and smittybilt m1 fender flares on my truck. They stuck out about 2" out of the wheel well before the flares and now with the flares they are even with the edge of the flare. So I would say -24 sticks out about 2" and negative -12 would be around an inch.

quietpeen · Mar 1, 2017

Here is my truck on 20x10 with -24 mm offset. Tires are 33x12.5. The tires stick about 3" from the front fender. Not as much at the rear

Before fender flares

After fender flares

Witch · Mar 1, 2017

I am not really up on this, but I think backspacing is in play as well

I just bought some wheels and and they offered the type I wanted in two options

-24 with 4.5" backspacing

-12 with 5" backspacing

I wish I could tell you what the difference is between the two and how backspacing affects the setback , but I just don't know

If they get here on time I will be mounting them on Friday, I will get a picture for you

QP: nice ride man

quietpeen · Mar 1, 2017

Thank you witch

Back spacing correlates to offset(it's just two different measurements) -24 offset will stick out from the fender 1/2" further than the -12 offsett

R.L.K. · Mar 1, 2017

For anyone interested this is a fantastic explanation of offset & backspacing.
This is Brandonjanson's guide to Leveling in the 4th Gen Lifted stickies @ the top of the lifted section .

Just click the link and scroll down a bit to the correct area .

http://www.ramforum.com/showthread.php?p=1087056

Hope this helps !

quietpeen · Mar 1, 2017

There is also good info stickied at the top of this section :happy107:

brandonjansen · Mar 1, 2017

quietpeen pretty much hit the nail on the head. With 35x12.5's a 20x10 -24 offset will poke past the fenders by about 3". A 20x10 -12 offset will poke past the fender by about 2.5". If you have OEM fender flares you can subtract 1" off each of those measurements as they provide 1" of coverage.

Syntec · Mar 2, 2017

quietpeen said:
Here is my truck on 20x10 with -24 mm offset. Tires are 33x12.5. The tires stick about 3" from the front fender. Not as much at the rear

Very nice truck. What fender flares are those?

Might have to go with -12 offset as I wanted it to stick out little less

Wise · Mar 2, 2017

I regret not going with -24 instead of the -12. When I added the flares it looks a little sucked in, I'll post a picture when it's light out.

quietpeen · Mar 2, 2017

Syntec said:
Very nice truck. What fender flares are those?

Might have to go with -12 offset as I wanted it to stick out little less

they are oem 2500 fender flares. I'm contemplating getting new wheels and also thinking of -12 instead of -24

quietpeen · Mar 2, 2017

Wise said:
I regret not going with -24 instead of the -12. When I added the flares it looks a little sucked in, I'll post a picture when it's light out.

what tires do you have? Bushwacker flares stick out far and without an aggressive or wide enough tire it could look a little tucked

Wise · Mar 2, 2017

I have the BFG KO2 and the bushwackers

Syntec · Mar 2, 2017

Wise said:
I regret not going with -24 instead of the -12. When I added the flares it looks a little sucked in, I'll post a picture when it's light out.

well damn I thought my decision was made

I am also wanting to put bushwackers on down the road

quietpeen said:
what tires do you have? Bushwacker flares stick out far and without an aggressive or wide enough tire it could look a little tucked

what tires are you running?

Wise · Mar 3, 2017

Image - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting

Wise · Mar 3, 2017

They're 33 KO2. Sorry about the **** photo I keep getting an error when I try to attach the images on the forum site.

quietpeen · Mar 3, 2017

Wise. Are your wheels 9" wide or 10" wide?

Rzrman328 · Mar 3, 2017

Wise said:
I regret not going with -24 instead of the -12.

When I added the flares it looks a little sucked in

I will agree with your assessment.

Although frowned upon by some.....Spacers would easily fix this problem.

Wise · Mar 3, 2017

I believe they are 10 inch wheels. Yea that is my plan, I just have to do some research first I've never used spacers.

BogsRam14 · Mar 3, 2017

Wise said:
I believe they are 10 inch wheels. Yea that is my plan, I just have to do some research first I've never used spacers.

If you do a spacer get Bora....They are produced when you order from them.

-12 vs -24 Wheel offset

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