Rims. 15 x 8 's or 15 x 10's.

[Motormouth13]

 Is there any advantage to 15 x 10 over 15 x 8 or vise versa?

[minicrawlin]

depending on your tire size/tire width the smaller or wider rim will work better to seat the bead and keep it from popping. i run 36/12.50 R15 on 15x8 rims and have yet to blow a bead, sometimes running at 0 psi (valve stem popped out ha ha). I believe thats the advantage. not sure of any others.

[79yota4x]

15x8

[H8PVMNT]

I preffer 15x8s for 12.50 tires.  They stay on the rims really well ar low tire pleasure...

[<MIKE>]

same as mentioned. I run 38.5/14.5/15 TSL's and i use a 10" rim because it helps keep my bead on when i'm @ real low psi. I've gone down to 1-2 psi without losing a bead. Just depends on what size tires you plan to run.

[Gear Jammin-Dog Chasin-Yota Man]

15x8 is a good all around size rim
unless you are runnin wider than 12.50 or want your tires to mount up nice and wide, I like the 15x8
You can get more side wall bulge with the 8" rim and 12.50 tires, depending on if the tire runs wide or whatever

[Motormouth13]

What about alluminum vs steel?

[Gear Jammin-Dog Chasin-Yota Man]

Alum are lighter, prettier, don't rust.  But they can break, bend, crack etc.
Steel are tougher by far, but can rust, heavier, etc.
I ran both.  Right now I have steel.  Just depends what you want and how hard you are on stuff....

[minicrawlin]

cheap alum's will but if you go bad ass like KMC alum beadlock style they'll hold up to anythin and some compared to steel. but unless your gonna do some desert racing i'd rock steel. thats what my toy has and although i've bent em before they hold up great like Hound riggin Toyota's talking about. much cheaper also! What are your applications on this rig?

[H8PVMNT]

Both work well and there are advantages either way.  It all comes down to how much you want to spend...

[Gear Jammin-Dog Chasin-Yota Man]

Personally I have never had a problem with alum wheels holding up, nor have I had a problem with steel wheels, and I'm kinda hard on stuff
As long as your not jumping the thing I think you will be fine with either wheel durability wise....

[daniresch]

15x8 unless your tires are wider than 13.5
alloy wheels because they are lighter and no rust

[Onefryday]

I have 31x1O.5x15 should I get 15x8 or do y'all think I'm ok?

[Muddytazz]

15x8s by far

My old rig I used to run 14.5 wide rims on 15x8s and run 12psi on the street and 1psi  while wheeling and never popped a bead.

The 8" IMO are the best bead holding rims.

[daniresch]

I have 31x1O.5x15 should I get 15x8 or do y'all think I'm ok?

15x8 is on the wide side for a 31/10.5/15. will it work? yes.
I would personally run a 15x7.

[Nimyad]

A good rule of thumb is run a rim about 4 in shinnied then your tire. And I personally like alum because from what I've found it holds the bead better

[daniresch]

And I personally like alum because from what I've found it holds the bead better

That completely depends on the design of the barrel.

[Monster Yota]

I run Aluminum 15x10s on 38.5x14.5.15 Sxs at 2-3psi all the time and haven't had a problem so far...