backspace/offset...

AETitan · 05-15-2007, 07:40 AM

i know its been covered, but i cant find it. on a 17x9 wheel with 4.75" of backspace, what is the offset on them?

heres the link..

http://cgi.ebay.com/ebaymotors/PRO-C...spagenameZWD1V

mytitan · 05-15-2007, 11:41 AM

-6mm is what i thought

Dirty · 05-15-2007, 12:22 PM

Backspace = (wheel width/2) + .5 + offset(in inches)
4.75 = (9/2)+ .5 + x
-.25 = x
-.25 x 25.4 = -6mm offset

So yeah, what mytitan said. lol

Tightan750 · 05-15-2007, 09:30 PM

Quote:

Originally Posted by Dirty

Backspace = (wheel width/2) + .5 + offset(in inches)
4.75 = (9/2)+ .5 + x
-.25 = x
-.25 x 25.4 = -6mm offset

So yeah, what mytitan said. lol

Where did you get the number 25.4 from??

NorCal 4x4 · 05-15-2007, 09:34 PM

25.4mm = 1"
So 12mm is about 1/2"
And 6mm is about 1/4"