[F13. Calculation of wet grip index (G) U.K.
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 | |||
|---|---|---|---|---|---|
| G | Wet grip class | G | Wet grip class | G | Wet grip class |
| 1,55 ≤ G | A | 1,40 ≤ G | A | 1,25 ≤ G | A |
| 1,40 ≤ G ≤ 1,54 | B | 1,25 ≤ G ≤ 1,39 | B | 1,10 ≤ G ≤ 1,24 | B |
| 1,25 ≤ G ≤ 1,39 | C | 1,10 ≤ G ≤ 1,24 | C | 0,95 ≤ G ≤ 1,09 | C |
| Empty | D | Empty | D | 0,80 ≤ G ≤ 0,94 | D |
| 1,10 ≤ G ≤ 1,24 | E | 0,95 ≤ G ≤ 1,09 | E | 0,65 ≤ G ≤ 0,79 | E |
| G ≤ 1,09 | F | G ≤ 0,94 | F | G ≤ 0,64 | F |
| Empty | G | Empty | G | Empty | G] |
Textual Amendments
F1 Substituted by Commission Regulation (EU) No 1235/2011 of 29 November 2011 amending Regulation (EC) No 1222/2009 of the European Parliament and of the Council with regard to the wet grip grading of tyres, the measurement of rolling resistance and the verification procedure (Text with EEA relevance).