This agenda item relates to UN R30 Pneumatic Tires.

GRBP will consider a proposal submitted by the expert from the European Tyre and Rim Technical Organization (ETRTO) to amend provisions related to the extended mobility tyre (EMT) symbol.

GRBP may wish to resume consideration of the new definition for “radial tyre” that was proposed by the expert from France at the previous session.

GRBP may wish to revert to the roadmap for implementing Amendment No. 2 to UN GTR No. 16 (Tyres) that was presented by ETRTO at the previous session.

Working Party on Noise and Tyres | Session 72 | 7-9 Sep 2020

11. The expert from France proposed a new definition of “radial tyre” (ECE/TRANS/WP.29/GRBP/2020/21 and GRBP-72-22), which was amended by the expert from EC (GRBP-72-24). The expert from Japan held the view that the proposal was not sufficiently clear. The expert of ETRTO pointed out that his organization would need technical justification to support the proposal. The Chair invited all experts concerned to internally re-discuss the proposal and to submit an updated document to the next session.

Documentation
GRBP-72-07 | GTR 16 transposition roadmap proposal (ETRTO)
GRBP-72-22 | Radial definition proposal (France)
GRBP-72-24 | UN R30: Proposal for amendments to document GRBP/2020/21 (EC)
GRBP-73-20/Rev.1 | UN R30: New radial tyre structure definition proposal (France)
GRBP/2020/21 | UN R30: Proposal for a Supplement to the 02 series of amendments (France)
GRBP/2021/4 | UN R30: Proposal for a new Supplement to the 02 series of amendments (ETRTO)