200 wheel fitment

Franco Barber feb at febsun.cmhnet.org
Thu Oct 13 11:41:23 EDT 2005

On Thu, Oct 13, 2005 at 10:18:00AM -0400, Huppert, Eric wrote:
> I may be wrong, but backspacing is measured from back of rim (hub mounting
> surface to) to "back" of rim. Meaning, there should only be a 3mm difference
> between the 45 and 48 ET. (Rim width is irrelevant!)

No, I believe the ET values are measured from the center line of the
wheel to the hub mounting surface of the wheel.
So, a different ET value moves the center of the rim, and then
you've got to take the rim width into account to figure out
where the back (inside) of the rim has ended up.


Franco Barber                   feb at febsun.cmhnet.org
95 A6Q w/Gamma CD mit RDS!      Columbus, Ohio  USA
95 A6Q 5spd w/HCB-30 bluetooth car kit!

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