mathewmmr Posted April 27, 2011 Share Posted April 27, 2011 I have got my new alloys today and the outside diameter with tyre is 2cm bigger than my old ones. How much will this effect my speedo? Quote Link to comment Share on other sites More sharing options...
mintalkin Posted April 27, 2011 Share Posted April 27, 2011 good speed difference here. http://www.kouki.co.uk/utilities/visual-tyre-size-calculator Quote Link to comment Share on other sites More sharing options...
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