From digest.v6.n841 Thu Jul 3 08:33:07 1997
From: Ben Liaw <bliaw_at_maple.nis.net>
Date: Wed, 2 Jul 1997 21:04:46 +0000 ( )
Subject: <All> Lightweight Wheels and Tires
As many visitors to my website know, I've freakin' fascinated by wheels
and tires for some strange reason. All this talk about wheels and tires
have gotten me excited again (YeeeeeHaaaa!)
One thing that was not mentioned about the lightweight rims for Auto-Xing
was durability. Here are some shortcomings of some of the listed rims.
BBS RC - Light, but spun cast. Casting, as you know, is not the
strongest manipulation of aluminum.
Fiske - Only the centers are forged. The rims halves are not. Anodized
rim halves are extra and a necessity if you don't want the aluminum to
Magnesium - Like aluminum, does not have warnings of fatigue, however,
even worse so in this case.
In the bicycle industry, we were always trying to get our bikes lighter
and lighter while sacrificing strength. Well, before I left, the
industry was on the swing away from mega lightweight, but reponsible
light weight. No sense getting sued over a handlebar that broke because
it was 15 grams too light.
This leaves few manufacturing methods as ideal. However, it does point
to a FULLY FORGED wheel as one of the strongest (maybe not lightest)
alternative. The forged 5-spoke LTW wheels that I just got weigh only 20
lbs. and cost around $500 (less if you know the right people) in the
17x7.5 size. Oh yeah, they also fit my M3 perfecting (I wonder why).
Thanks to Precision Tire and Wheel in Ridgewood, NJ who dismounted,
mounted, and dynamically balanced my new LTW rims in 35 minutes and for
only $50 for all 4. The 40 series Michelin MXX3's didn't even make them
sweat. At 90 mph, not a wiggle, not a wobble. No wonder Prestige BMW
sends their cars there. Also no wonder why many local BMW NA employees
go there, too.
Ben Liaw - Applications Programmer
Advanced Techology Corporation
"Visualize Whirled Peas" - Unknown
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