Filtered:UN R117 Tire Noise, Wet Adhesion, and Rolling ResistanceRemove filter
Wet grip for C3 tyres: Minimum type-approval level
Reference Number: GRRF-75-02
Supporting presentation to the ETRTO proposal for minimum wet-grip performance thresholds (document GRRF-73-18) to ensure that improvements in tire rolling resistance (per EU CO2 goals) do not result in inadequate wet-grip performance.