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Old 12-30-2009, 04:42 AM   #6
Johnny Danger
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Join Date: Nov 2008
Location: Massachusetts
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Also, wheel diameter is irrelevant when it comes to calculating offset. Initially, its the width of the wheel that is important. For example, to compare a wheel that is 17x9 +55 and one that is 19x10 +40 as it relates to where the wheel will sit in the fender well is based on the difference of width and offset. Essentially, the 19 inch wheel will result in 2 mm's more inner clearance than the 17, and the wheel will extend out toward the fender lip an additional 28 mm.

Last edited by Johnny Danger; 01-07-2010 at 04:11 PM.
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