I've contacted a friend who is one of Kumho's tire engineers, he will
have the difinitive answer.

Karl

Dave Mcneely wrote:
> Kumho's web page for the 857
>
> http://tiny.cc/3iWfr
>
>
> On Sat, Aug 29, 2009 at 12:02 PM , Karl wrote:
>
>> REALLY? I'd be a little worried...
>>
>> "The Radial 857 is KUMHO's Euro-metric Commercial-sized special
>> purpose tire designed for use on trailers. Radial 857 tires are not
>> intended to be used on cars or light trucks."
>>
>> Yikes.
>>
>> Karl
>>
>> mcneely4@cox.net wrote:
>>> I recently got Kumho 857 tires from Discount Tire.  They can be had
>>> from other dealers though.  I agree that the Michelins are improper
>>> for our vehicles, despite being sold by the best known renovator in
>>> the business.  If a vehicle requires a tire of a given weight rating,
>>> that is because it would not be safe to use a lighter tire.  And
>>> yours have gone bad.  I am very pleased so far with my tires (some
>>> 6000 miles). Ride and drive well, and most important, they meet the
>>> rating required.
>>>
>>> Dave Mc
>>>
>