# Regulation (EU) 2020/740 of the European Parliament and of the Council of 25 May 2020 on the labelling of tyres with respect to fuel efficiency and other parameters, amending Regulation (EU) 2017/1369 and repealing Regulation (EC) No 1222/2009, Division 2: Calculation of wet grip index (G)

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

G = G(T)-0,03
where:
G(T) = wet grip index of the candidate tyre as measured in one test cycle
C1 tyres
C2 tyres
C3 tyres
Wet grip class
G
G
G
A
1,55 ≤ G
1,40 ≤ G
1,25 ≤ G
B
1,40 ≤ G ≤ 1,54
1,25 ≤ G ≤ 1,39
1,10 ≤ G ≤ 1,24
C
1,25 ≤ G ≤ 1,39
1,10 ≤ G ≤ 1,24
0,95 ≤ G ≤ 1,09
D
1,10 ≤ G ≤ 1,24
0,95 ≤ G ≤ 1,09
0,80 ≤ G ≤ 0,94
E
G ≤ 1,09
G ≤ 0,94
G ≤ 0,79

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Source: https://www.legislation.gov.uk/eur/2020/740/annex/I/part/2/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2020-740/annex-I/part-2/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.