On 29/04/2018 10:18, T i m wrote:


So, are you saying that in fact any wheel on any (conventionally
wheeled) car wouldn't need to rely on hub-concentricity, once the
fasteners were tightened correctly ... if the spigot ring could be
removed after the wheel was fitted?


Yes - provided that the wheels and nuts have conical mating faces. It
might be a different story if the wheels and nuts had flat faces (were
any ever made like that?).

I'm aware that wheels can stick on the spigot rings, and take a
seemingly lot of (human) force to remove. But I don't think you'd get
far if you started driving round with the wheel nuts removed.
--
Cheers,
Roger
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