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Posted by Chris Case @ San Diego on Thursday, May 08, 2008 at 14:13:51 :
In Reply to: Re: tire size and safty posted by Keith in Washington on Thursday, May 08, 2008 at 11:16:47 :
"It is not recommended that the 7.50 be mounted on the 6.50H rim nor should the 9.00 X 16 be mounted on the 5.50 rim. It can be physically done but the tire will not be seated on the rim correctly and problems can happen."
Can you name the problems? Other than the skinny rim will cause center tire wear on the 900s, , and the wider rim more shoulder wear on the 7.50.
Oh, by the way, the wider ring used on the 6.5 rims was designed in the time of cotton ply tires. Is anybody here running 9.00 cotton ply tires on the 5.5 rims? Not saying there is a problem with that, only that modern tires (and modern rim designs) don't seem to need the wider rings. Frinstance, the LAV wheels that came mounted on my 11.00 Michelins only have a skinny ring, looks like the 5.5 PW rings.