Hypothetical question: tires & curb damage

On 7 Sep 2006 01:30:02 -0700, "Class-1" waffled
on about something:

>Through lack of skill or by accident, most driver will occasionally
>scuff their tires against a concrete curb. For ex. through poor parking
>skills or by having to squeeze past other cars along a very narrow
>road.
>
>How much rubbing damage (scratches, scuffs, etc) is permissible to the
>sidewall of a tire before it would have to be replaced? Or is minor
>scuffing to be considered part of 'normal wear & tear'?

I can't speak for other countries, but in the UK normal scuffing of
the outer rubber layer is expected and will be allowed through an MOT.
Cuts, chunks of rubber missing, sidewall nylon ply visible will not.

Also the if the rubber is crazed, and looks aged or weak, they will
often pull you up on that.

You will also fail if the side wall has any unusual bulges, usually a
sign of over heating due to exceeding the rated speed.

Dodgy.
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