Quote:
Originally Posted by workinmanfred
I know the 15 is the rim size..what are the other numbers?...
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for 225/60 R15..... the '225' is the tire carcass width (not tread width) in millimeters.
The '60' is the "aspect ratio" In this case, it means the tire height is 60% of the carcass width.
The 'R' means its a radial tire construction (and not a bias-ply).