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#618359 02/09/2010 6:46 PM
Joined: Sep 2008
Posts: 872
P
Shop Shark
Shop Shark
P Offline
Joined: Sep 2008
Posts: 872
Hello all.

I am pretty sure how to read the sizes for passenger tires... the 225/60R15.

But what about 8.25x20? I know the 20 is rim diameter (I hope). But what does the first number equate to?

Thanks

Joined: Feb 2000
Posts: 769
L
Shop Shark
Shop Shark
L Offline
Joined: Feb 2000
Posts: 769
It is the cross section width in inches. The same as your example of 225, which is the metric cross section.

Joined: Dec 2003
Posts: 2,733
Shop Shark
Shop Shark
Joined: Dec 2003
Posts: 2,733
Farber.. using your example it takes a 6.5" wheel width. 9:00 takes a 7" and a 10:00 uses a 7.5" wheel.


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