This document provides specifications for safety, quality and performance requirements for supplementary grip devices, commonly called "SGDs", for type - approved tyres according to the current legislation, intended to be fitted on tyres on vehicles in categories M1, N1, O1, O2 and relevant sub-categories (off road vehicles).
The requirements contained in this document apply to all SGDs, regardless of the material/technology used to build it.
In case there are available standards for the specific technology of the device, they are intended to be used in conjunction with this document.
In case no standard is available for the specific technology, this document applies.
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