tread width
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From: Mount Airy,MD
Originally Posted by Patman03SprCrw
Correct. Sorry wandell but you are wrong on this, This is one of the most common missconceptions about tire sizing. APT is correct. its how wide the tire is from wall to wall on the outermost part of the bulge. Only way to figure out the tread with, besides measureing would be if its a 70 series tire, that means 70% of the tire is side wall. So if you know the sidewall height you can go from there.
See vvv nominal width of tire in mm, not tread width
http://en.wikipedia.org/wiki/Tire_code
-Patrick
See vvv nominal width of tire in mm, not tread width
http://en.wikipedia.org/wiki/Tire_code
-Patrick
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From: DFW
Originally Posted by kingfish51
After looking it up, I agree, however, whatever the tread width is, it is not going to change because the wheel width changes. If it is 11 inches on a 8" wheel, it will be 11" on a 9 or 10" wheel.
-Patrick
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From: Mount Airy,MD
Originally Posted by Patman03SprCrw
correct, but there are maximum widths, and minimum widths for each rim width. You can't put a 325 tire on a 14x6 rim etc.
-Patrick
-Patrick
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From: Illinois.
Originally Posted by APT
285mm is the section width, not the tread width. Tirerack nor BFG web sites list tread width. I'll measure mine tonight, 285/70R17 on OEM 7.5" wide rims. Different year truck, but a 7.5" rim is 7.5" wide.
