GAR | WP.29/2024/2

UN R54: Proposal for Supplement 27

Document WP.29/2024/2

20 December 2023

Proposal To specify a tolerance for the maximum overall width of tyres identified by the “tyre to rim fitment configuration” symbol A.

Status: Formal WP.29 review

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Previous Documents, Discussions, and Outcomes

193rd WP.29 session (24-28 Jun)

4.9.9. | Proposal for Supplement 27 to UN Regulation No. 54 (Tyres for commercial vehicles and their trailers)

192nd WP.29 session (4-8 Mar)

4.6.1. | Proposal for Supplement 27 to UN Regulation No. 54 (Tyres for commercial vehicles and their trailers)

78th GRBP session (30 Aug-1 Sep 2023)

7. (a) | UN Regulation No. 54 (Tyres for commercial vehicles and their trailers)

18. The expert from France presented a proposal that specified a tolerance for the maximum overall width of tyres identified by the “tyre to rim fitment configuration” symbol A (ECE/TRANS/WP.29/GRBP/2023/18, GRBP-78-20-Rev.1). GRBP adopted the proposal and requested the secretariat to submit it for consideration and vote at the March 2024 sessions of WP.29 and the Administrative Committee (AC.1) as draft Supplement 27 to UN Regulation No. 54.

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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