UN Regulation No. 117
Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
← Revision 6 | Amendment 2
Revision 5
Revision 5 | Amendment 1 →
20 Mar 2025
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UN R117: Proposal for new 03 series of amendments

Proposal to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

Authentic and legally binding text WP.29/2022/83