Thread: is this correct...
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Old Oct 11, 2007 | 10:15 AM
  #24  
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Chip
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Originally Posted by rst in progress
never realised the width affects the profile hieght
The profile is a % of width, so on a 40 profile tyre, every 20mm extra width is 8mm on each sidewall, and hence 16mm difference in overall diameter.
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