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  #1  
Old 10-04-2010, 08:29 PM
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Default Stock 20" Wheel Dimensions - offset backspacing

I had a hard time finding this info here and could find no definative answer to the 2006-2008 stock 20" Sport wheel dimensions so I'm making this easily searchable for posterity.

Definatively.

Stock 2006-2008 20" Sport wheel size is:

20" X 9"
Offset is +19mm (+ 3/4")
Backspacing is 5 1/4" ((9"/2) + 3/4")

For those of you doing the math, yes I realize the numbers are a little off as 3/4" is technically 18.75mm when converted but I doubt the extra 1/4mm will affect much.

I don't know why they use metric for offset and SAE for backspacing but I can tell you the most popular sizes of offset (6,12,19 and 25mm) all are the closest whole mm sizes that round off to SAE measurements increasing in 1/4 increments (1/4, 1/2, 3/4 and 1").

For those interested, the true offset in inches is 0.74803" and the true backspacing is 5.24803" for the 20s.

Thanks.
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Old 10-04-2010, 08:37 PM
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Thanks for sharing all that info man! That will come in really handy for some people that are searching for that info. I was looking for it when I was buying some rims as well.
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Old 10-04-2010, 11:41 PM
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Yeah, I was surprised how hard it was to verify.
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