Many people don't understand the marking numbers and letters on the sidewalls of tyre's. so here is a quick guide.Lets look at the example 225/50R16 S225- refers to the tyre's width in millimeters (section width)
50- refers to the aspect ratio of the tyre in a percentage form. Or put another way the size of the inner radius to the outer radius of the tyre is 50% of the section width Commonly called The profile or series of the tyre.The "R" denotes a radial tyre which is the type of constructi...
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