Quote:
Originally written by David Doyle
As an example, a 9.00-20 (commonly referred to as a "nine hundred twenty) tire, fits a twenty inch diameter rim that is nine inches wide at the bead seat.
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Actually, the 9.00 in this case denotes the nominal cross-section width of the tyre, not the width at the bead seat. As an example, the 9.00-16 tyres fitted to many CMP trucks are fitted on 6.00-16 wheels.
H.