Re: Tire truing/shaving at John Worden's shop
I would be surprised if any bias ply was perfectly round. Even radials are not perfectly round if you watch them spin on a balancer. A tire also expands in diameter as it spins faster.
I missed out buying a shaver by a year from a old shop. He said used tires where a pain as any small stones stuck in the tread messed up the knives.
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