In a message dated 9/21/2006 6:03:55 AM Pacific Daylight Time,
owner-fot-digest@autox.team.net writes:
> From: "Bill Babcock" <BillB@bnj.com>
> Subject: Re: [FOT] KN Wheel
>
> Good theory--sounds like a Sherlock Holmes conclusion--but wrong
> nonetheless. Offset is expressed in inches or millimeters. The letter
> designation in rims is flange type, and refers to how the rim grips
> the tire. There are a lot of flange designs, most of which have been
> consigned to the dustbin of technology. The overwhelming majority of
> rims for cars and race cars are type J. Be thankful. Some of those
> odd flanges were nearly impossible to mount, and even harder to get
> the tire to run true.
No one has mentioned D,
The original wheels on small chassised Triumphs were 4D, later wider-J's were
fitted.
I once lost a newish Pirelli tyre on a Triumph Herald at a track day, going
sideways after passing the limits of adhesion, on standard 4.5D Dunlop
wheels...came half way off the rim!
Rgds
Leon
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