All change reports
UN R164 change reports — Studded Tyres
UN Regulation No. 164 (ECE R164) — Uniform provisions concerning the approval of studded tyres with regard to their snow performance.
00 series
- 00 series — Supplement 1
New paragraph 6.3. sets a minimum ice grip index of 1.18 for studded tyres of class C1 for use in severe snow conditions.