What does it cover?
The UN R186 working text addresses abrasion performance of new C1 pneumatic tyres. Its scope is linked to tyres complying with R117. Temporary spare, competition, ice-grip and specified size groups are excluded.
Who is it for?
For tyre and related equipment manufacturers, retreaders and technical teams preparing tyre tests.
Which subjects are addressed?
- Abrasion of new C1 tyres
- Scope linked to R117
- Test method and exclusions
Common question
Does R186 abrasion assessment cover every tyre?
No. The selected text is limited to C1 tyres with defined use and size exclusions. An abrasion result does not replace other performance assessments.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R186 — UN Regulation No. 186
Working series: 00 · Included supplement: 0
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.