Regrooving

Regrooving is the process of cutting new grooves into a tyre, following the original tread pattern, in order to extend the life of the tyre.

Regrooving is only allowed on commercial tyres where "Regrooveable" is clearly stated on the sidewall. It is illegal for a regrooved tyre fitted to a car, 4x4 or light commercial vehicle to be used on a public highway.

It will often be seen in the world of motorsport, particularly Rallying, where a tyre requires a particular pattern for the conditions experienced.

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