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17 inch rims are actually 18 inch?

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Old Jan 20, 2004 | 03:05 PM
  #1  
Z Shadow's Avatar
Z Shadow
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From: long island
Default 17 inch rims are actually 18 inch?

Has anyone actually measured the diameter of your rim?


I did and came up with 18 and 1/4 " WTF


Why do they call it a 17 if the diameter is 18?




If I get 18's are they going to measure 19 from edge to edge?


Please fill me in

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Old Jan 20, 2004 | 03:32 PM
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teh215
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Where did you do your measurements? I believe that the wheel diameter is measured by the tire bead, not the whel diameter.
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Old Jan 21, 2004 | 08:23 PM
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N74DV
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From: Mesa,AZ
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yup.... wheel bead to wheel bead on opposing side. outside to outside measurements usually yield a 1" increase... hence your 18" indication.
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