Borbets and Hub Rings - long Q but simple answer

[txrocco at sbcglobal.net (ATS - Patrick Bureau)]

last time I needed hub centric ring I visited my local discount tire shop
and they called ATS to getthe right ones for my scirocco

I am sure between tirerack.com (see vortex tire technical forum, Eric is
always answering questions and I am sure he can help or visit discount tire
in your area... or email borbet perhaps ?

ATS - Patrick Bureau - txrocco@sbcglobal.net
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=>-----Original Message-----
=>From: scirocco-l-bounces@scirocco.org
=>[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Ken B
=>Sent: Thursday, September 11, 2003 8:25 AM
=>To: scirocco-l@scirocco.org
=>Subject: Borbets and Hub Rings - long Q but simple answer
=>
=>
=>Wouldn't reputable after market manufacturers have default "bore" sizes.
=>In other words, Borbets are usually 60mm and ATS are usually 66 etc etc.
=>Here is my problem:   I have 4 new (used) Borbet C wheels and am having
=>trouble getting a good caliper measurement:  63.1mm, 64.3mm, how can I buy
=>the correct hubcentric rings.  to make matters easier, or in my
=>case harder,
=>there are only a few sizes out there.
=>http://www.pure-motorsport.com/products/description.php/II=447   Here is a
=>simple drop down of what this compnay sells for vw hubs (57.1mm)
=>More details on my situation:
=>There is not enough room inside a 15' wheel fo me to extend my only set of
=>calipers so i clipped a length of 10ga wire and varied the curve
=>of it to in
=>effect make it shorter/longer and measured the length each time I checked
=>the bore of the wheel.
=>Accuracy is not that great but I'm sure its better than a mm either way.
=>The inner part (closest to the brake rotor when installed) of the
=>bore on my
=>wheels is a slight lip that has an inner dia of 63.1mm, then
=>flares wider to
=>64.3mm and the rest of the way in (about 2" worth towards the
=>outer/lug bolt
=>side) it seems to very slightly taper to about 64mm.
=>Hub rings with an outer diameter of over 63 seems wont fit over the first
=>part of the wheel to go on (that little lip) and there appears to be only
=>one common size under 64 (60mm) according to the above link and another
=>online vendor I checked.
=>But a 60mm outside diameter would not be large enough to provide a snug,
=>positive location on the hub.
=>have never seen these things instaled and not sure what the
=>trouble is here.
=>Any advice or experiance would be helpful.
=>Thanks
=>Ken
=>'79 Scirocco 16V "McFly"
=>"81 Diesel P/U
=>
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