# Regulation (EC) No 661/2009 of the European Parliament and of the Council of 13 July 2009 concerning type-approval requirements for the general safety of motor vehicles, their trailers and systems, components and separate technical units intended therefor (Text with EEA relevance), Division PART A —: WET GRIP REQUIREMENTS

Extent: E+W+S+N.I.

Class C1 tyres shall meet the following requirements:
Category of use
Wet grip index (G)
snow tyre with a speed symbol (‘Q’ or below, excluding ‘H’) indicating a maximum permissible speed not greater than 160 km/h
≥ 0,9
snow tyre with a speed symbol (‘R’ and above, including ‘H’) indicating a maximum permissible speed greater than 160 km/h
≥ 1,0
normal (road type) tyre
≥ 1,1

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Source: https://www.legislation.gov.uk/eur/2009/661/annex/II/part/A (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-661/annex-II/part-A
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.