UN R117: Proposal for Supplement 2 to the 03 series of amendments
Reference Number: GRBP/2024/9
Proposal to improve the reproducibility of the snow grip test method by replacing the current reference tyres C3 SRTTs 19.5 and 22.5 with the new reference tyres C3 SRTTs 19.5 and 22.5 siped.