That is the tire profile or section width. The number is a metric figure standing for the width of the tire in millimeters.
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that's the tire size. like 225/60/16. 225 is the width in millimeters 60 is the aspect ratio. the sidewall is 60% of 225 tall. and the 16 is the rim size
The standard tire size is 225/60R16.
Ford 2000 Tire Size Ranger 2wd XLT with a 225/70R15 tire.
I have a 1991 and my tire size is 225/75/R15.
The stock tire size on a 1997 Honda Passport is: 225/75SR16.0
The factory size is: 225/70-15
225/55R16
225 60R16
225/16/60
16's 225 16's 225
225/60R16 for GT and 225/70R15 for SE