Proposal to align the acceptance criterion listed in the table in Annex 8, paragraph 3, with the negative rating criterion listed in paragraph 5 (c): total loss of inflation pressure within one minute. This change clarifies that only a complete decrease in the pressure in the tyre due to its depressurization is a negative evaluation criterion when conducting an impact test.
| Reference Number: | WP.29/2021/9 |
| Meeting Session(s): | 183rd WP.29 session (9-11 Mar 2021) |
| Document date: | 17 Dec 20 |
| Document status: | Depositary Notification This adopted proposal becomes binding on 30 Sep 2021. |
| Regarding: | UN R124 Passenger Car/Trailer Wheels |
| Adoption Vote | |
| This proposal (WP.29/2021/9) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 52 applying UN R124 were present for the vote by AC.1. Thirty-five voted in favor with zero against and two abstaining. | |
| View full document file for more information | |
Proposal to require wheel attachments with three or more fixing components (nuts or studs) in the scope of the Regulation, to restrict the difference in pitch circle diameter (PCD) of a wheel type comprised of more than two versions, to carry out additional rotating bending tests on each version with a PCD difference to a tested version of more than 6.5 mm, and to establish specifications for comparison of replica wheels with the minimum level of the vehicle manufacturer´s replacement wheels.
| Reference Number: | WP.29/2021/78 |
| Meeting Session(s): | 184th WP.29 session (22-24 Jun 2021) |
| Document date: | 09 Apr 21 |
| Document status: | Adopted by WP.29 |
| Regarding: | UN R124 Passenger Car/Trailer Wheels |
| Adoption Vote | |
| This proposal (WP.29/2021/78) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 52 applying UN R124 were present for the vote by AC.1. Thirty-five voted in favor with zero against and two abstaining. | |
| View full document file for more information | |
Proposal to clarify the text:
| Reference Number: | WP.29/2025/5 |
| Meeting Session(s): | 195th WP.29 session (3-7 Mar) |
| Document date: | 20 Dec 24 |
| Document status: | Adopted by WP.29 |
| Regarding: | UN R124 Passenger Car/Trailer Wheels |
| View full document file for more information | |
| Documents establishing the amendments | |||||
|---|---|---|---|---|---|
| Supplement 2 | WP.29/2021/9 | ||||
| Supplement 3 | WP.29/2021/78 | ||||
| Supplement 4 | WP.29/2025/5 | ||||