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magnethead · 10-24-2006, 07:29 PM

remember the first number is tire width in MM and second is the sidewall height in percentage of the tread width

255/70 = 255 MM tire width 179 MM sidewall

275/60 = 275 MM width 165 sidewall

or do i have it backwards?

10-24-2006, 07:29 PM	#9
magnethead 7000 #'s of american IRON Join Date: Dec 2004 Location: north tx Posts: 883	Re: 255/70/15 tires remember the first number is tire width in MM and second is the sidewall height in percentage of the tread width 255/70 = 255 MM tire width 179 MM sidewall 275/60 = 275 MM width 165 sidewall or do i have it backwards?