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UN R124: Proposal for a Supplement

Document GRBP/2024/19

1 July 2024

80th GRBP session (17-20 Sep)

Proposal to clarify the text:

clarify Annex 4 and exclude aluminum-alloy and magnesium-alloy wheels under test (b)
clarify Annex 6 with regard to possible defects caused by the production process and not affecting the appearance of cracks during testing
recommend under Annex 6 to identify cracks occurred as a result of the test by using penetrating paints
clarify Annexes 7 and 8 with regard to air leakage.

Submitted by Russia

Status: Formal GR review

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Previous Documents, Discussions, and Outcomes

80th GRBP session (17-20 Sep)

6. (d) | UN Regulation No. 124 (Replacement Wheels for Passenger Cars)

30. The expert from the Russian Federation introduced a revised proposal that clarified certain provisions (ECE/TRANS/WP.29/GRBP/2024/19). GRBP adopted the proposal and requested the secretariat to submit it for consideration and vote at the March 2025 sessions of WP.29 and AC.1 as draft Supplement 4 to the 00 series of amendments to UN Regulation No. 124. During the adoption, the expert from the Netherlands reserved his position.

79th GRBP session (6-9 Feb)

7. (e) | UN Regulation No. 124 (Replacement wheels for passenger cars)

27. The expert from the Russian Federation proposed clarifying certain provisions (ECE/TRANS/WP.29/GRBP/2024/16). The proposal received comments from the experts of France, Germany, Netherlands and ETRTO (GRBP-79-20). In reply, the expert from the Russian Federation tabled a revised proposal (GRBP-79-32). The expert from Germany made a study reservation on GRBP-79-32. Finally, GRBP agreed to revert to this issue at the next session.

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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