| Supporting material for ETRTO working documents |
| Reference Number: GRBP-81-13/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 81st GRBP session (18-21 Feb 2025) |
| Document date: 06 Feb 25 |
| Relevant to: UN Regulation No. 30 | Pneumatic Tires, UN Regulation No. 54 | Commercial Vehicle Tyres, UN Regulation No. 75 | Motorcycle and Moped Tires, UN Regulation No. 108 | Retreaded Tires for Motor Vehicles, UN Regulation No. 109 | Retreaded Tires for Commercial Vehicles, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, UN Regulation No. 142 | Tyre Installation, and UN Regulation No. 172 | Retreaded tyres: Snow performance and/or traction classification |
| Click here to view the full document file |
| UN R172: Proposal to supersede document GRBP/2025/17 |
| Reference Number: GRBP-81-27/Rev.2 |
| Submitted by: ETRTO |
| Meeting Sessions: 81st GRBP session (18-21 Feb 2025) |
| Document date: 21 Feb 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 172 | Retreaded tyres: Snow performance and/or traction classification |
| Click here to view the full document file |
| UN R172: Proposal for Supplement 1 |
| Reference Number: GRBP/2025/17 |
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Proposal to:
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| Submitted by: ETRTO |
| Meeting Sessions: 81st GRBP session (18-21 Feb 2025) |
| Document date: 05 Dec 24 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 172 | Retreaded tyres: Snow performance and/or traction classification |
| Click here to view the full document file |
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| 6. (h) | UN Regulation No. 172 (Snow performance of retreaded tyres and classification as traction tyre) |