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12.5 wide tyres on a 8" rim?

General Tech Talk

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12.5 wide tyres on a 8" rim?

Post by PASSNBY »

I got myself the 35's but the only problem is that i bought them with only 3 sunnys on them with some huge ass offset. So, what i might do is use my wheels that are on my ute now, they are 8" wide but will they fit these 35"X12.5" tyres ok? or am I better off useing the wheels with the big offset and getting another wheel made up with the same offset?
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Post by gypsy »

i have 35 on 8inch rims no probs at all[/u]
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Post by -Scott- »

As gypsy indicated, they do fit, but I think the "bible" says you need a minimum of 8.5" wide to be legal - so you may find a lot of tyre places won't fit it for you.

If it's for a competition vehicle, just take the rim in and ask them to fit the tyre - if they're not putting the combination onto a road-registered vehicle they shouldn't have anything to complain about.
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Post by Mr DJ »

I run 35x12.5x15 ET2's offroad with 15psi in them and have not had an issue in the few months I have been running them, tho supose only time will tell.
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Post by whitemav »

Everyone runs them on 8" rims, dont think anyone makes 8.5" rims unless you go custom. Some people run them on 10" rim , but most people find 8" is better for off road.
I've never had a problem with a tyre dealer fitting to a 8" rim.
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Post by GQ Bear »

I run 35x11.5 simexes on 15x8" rims no probs. Used to run 33x12.5 sumi's on same rims, never had a problem. My mate was running 35x11.5 simexes on 16x10" rims and kept breaking beads.

I can't imagine too many tyre joints giving two phux whether they're RW or not. The only one i've heard of is my brother had to sign a waiver before ARB Southern would let him drive out of workshop with JT2's fitted.
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Post by cooki_monsta »

try running bias claws on 8" rims ;) did that for a while before i went to beadlocks, 35x13.5x15
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Post by midi73 »

Been running 35x12.5 on 8" rims for years. So does everyone else I know. As was said above 10" can cause breaking bead issues with lower pressures. Also 10" rims can cause excessive bearing wear, so most say 8" rims are better.
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Post by Shadow »

midi73 wrote:Been running 35x12.5 on 8" rims for years. So does everyone else I know. As was said above 10" can cause breaking bead issues with lower pressures. Also 10" rims can cause excessive bearing wear, so most say 8" rims are better.
how does a 10" rim cause bearing wear?????
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Post by macca81 »

Shadow wrote:
midi73 wrote:Been running 35x12.5 on 8" rims for years. So does everyone else I know. As was said above 10" can cause breaking bead issues with lower pressures. Also 10" rims can cause excessive bearing wear, so most say 8" rims are better.
how does a 10" rim cause bearing wear?????
x2

i ran 33x12.5 on 10" rims on my patrol for the entire time i had it, and i had no probs with bearings. the same rims will go on my surf when i get new tyres for them.....
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Post by Eddy »

Shadow wrote: how does a 10" rim cause bearing wear?????
:roll: bearings are allergic to 10" rims ... :? thought everyone knew that ... :roll:
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Post by PASSNBY »

cool, so i guess its a yes.
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Post by Shadow »

Eddy wrote:
Shadow wrote: how does a 10" rim cause bearing wear?????
:roll: bearings are allergic to 10" rims ... :? thought everyone knew that ... :roll:
everyone who is wrong might know that...
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Post by Rory »

the 10's have more offset from memory,more rolling weight futher out from the hub, thus more presure on wheelbearings. weather it becomes a prop comes down to maintance
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Post by bazzle »

Rory wrote:the 10's have more offset from memory,more rolling weight futher out from the hub, thus more presure on wheelbearings. weather it becomes a prop comes down to maintance
Correct... esp a prob on GQs and Mqs with the small closely spaced wheel bearings.

Bazzle
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Post by Tomo_89 »

if your worried about the tyre rolling off the rim just go with a set of these
http://kalecoauto.com/index.php?main_pa ... ucts_id=36
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Post by dklyne454 »

Tomo_89 wrote:if your worried about the tyre rolling off the rim just go with a set of these
http://kalecoauto.com/index.php?main_pa ... ucts_id=36
Look pretty cool, but how do they work?
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