Hub-Centric, the wheel hub is centered around something on the hub or rotor
and the lugs merely hold the wheel assemby in place. A tesion load.

Lug-Centric, the lugs actually center the wheel and hold it in place. Both
shear and tension loads.

>From: Todd Last <rubatoguy@COMCAST.NET>
>Reply-To: rubatoguy@COMCAST.NET
>To: vanagon@GERRY.VANAGON.COM
>Subject: Re: Audi alloys on a vanagon   was:Re: Tires!
>Date: Mon, 14 May 2007 17:41:30 +0000
>
>Anyone care to explain the difference between "bolt-centric" and
>"hub-centric" ?
>
>
>Todd
>'88 Vanagon
>
>
>
>  -------------- Original message ----------------------
>From: JordanVw@AOL.COM
> > In a message dated 5/13/07 8:03:48 PM Eastern Daylight Time,
> > psdooley@VERIZON.NET writes:
> >
> >
> > > I got a set of 4 15" Audi Alloy (15x7, ET-45) and I plan to purchase
> > > a set of tires for these rims soon. Please advise what size of tires
> > > I should consider. I understand I need 1/2" spacer and longer lug
> > > bolts for the front. I may need longer wheel studs even if I don't
> > > use spacer for the rear. I already got 10 longer audi lug bolts
> > > and 10 longer Porsche studs. So there is no need to get into that
> > > again, unless someone else wants too. I think VW stock is 14x7 ET-30.
> > > I should use 15mm spacers for the front but 1/2" should be close
> > > enough. My 83 westy is a 2WD.
> > >
> > >
> > > Let's deviate from tires and talk about your wheels.
> > > The original Vanagon wheels are bolt-centric.
> > > The Audi wheels are hub-centric.
> > >
> > > Has anybody experienced out-of-round conditions (vibrations) with Audi
> > > wheels installed on their Vanagon?
> > >
> >
> > ive run plenty of audi alloys on vanagons and never had any problems..
> > i assume youre going to machine the centers too, right?
> >
> > id run 215-75-15 .. that tire size seems to work well for me
> >
> > chris
> >
> >
> > **************************************
> >  See what's free at
> > http://www.aol.com.