Wheel and Tire

Help figure out backspacing.

Old 03-13-2012, 01:22 PM
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Default Help figure out backspacing.

I'm looking to find the back spacing for a 17x9 +35 rim. Does backspacing go hand and hand with offset? I came out with the number 6.2in, is that right? I wanted to get some custom diamond racing wheels.
Old 03-13-2012, 04:36 PM
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Default Re: Help figure out backspacing.

Old 03-13-2012, 05:31 PM
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Default Re: Help figure out backspacing.

Youre very close. its actually 6.38.

A "9 inch" rim barrel is actually 10" overall since width is measure on the inside edge of the lip. So 10in = 254mm. 254/2 = 127mm. so the centerline is 127mm from the outside edge of the barrel. Add your +35mm offset you get 162mm or 6.38in backspace
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