Proposal to amend the Worn Tyres working group terms of reference
Document GRBP-73-08
21 January 2021

Proposal to include requirements for wet grip of tyres of classes C2 and C3 in worn state to the scope of the working group activities.

Submitted by ETRTO
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Previous Documents, Discussions, and Outcomes
5. (d) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

16. The expert from EC proposed to include C2 and C3 tyres in the Terms of Reference of IWG WGWT (GRBP-73-02). The expert from ETRTO presented a preliminary assessment of wet grip on worn C2 and C3 tyres (GRBP-73-22) and suggested further modifications to the Terms of Reference (GRBP-73-08). Based on a consolidated proposal in GRBP-73-27-Rev.1, GRBP adopted revised Terms of Reference of IWG WGWT as laid down in Annex III to the session report.

Relates to UN R117 |