| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP/2026/16 |
|
Proposal to amend para. 2.18. to update the year reference in standard F2493 from 24 to 26, amend paras. 6.6. and 6.7. to change “classified” to “categorized”, revise tread depth and void to fill ratio requirements for class C1 special use tyres, restructure requirements for professional off-road tyres with subsections for each class, amend Annex 3 para. 4.2.2. to correct the measurement unit of coefficient K1 to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update the ISO 10844 year reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 to enable SRTT weighted average to be reported for each candidate in the test results table. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP/2026/17 |
|
Proposal to amend para. 2.18. to change the reference year from 24 to 26 for standard F2493, add new para. 2.21. defining “road legal race tyre,” add new para. 4.2.8. requiring the inscription “RLR” for road legal race tyres, insert new footnote 12 on marking height, renumber current footnote 12 to footnote 13 and amend its text, amend para. 5.4.1. to reference footnote 13, add new para. 6.9. establishing requirements for road legal race tyre classification, add new item 4.3. to Annex 1, amend para. 6.7. to change “classified” to “categorized,” amend Annex 3 para. 4.2.2. tables to change K1 unit from C to dB(A), amend Annex 3 Appendix 1 Part 2 item 3.1. to update ISO10844 reference from 2014 to 2021, and amend Annex 7 Appendix 3 Item 5 table to enable reporting of SRTT weighted average for each candidate. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 18 Jun 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a new supplement to the 02 Series of Amendments |
| Reference Number: GRBP-84-18 |
|
Proposal to solve the discrepancies between the test report format and the description of the test method for C2 and C3 tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
| Reference Number: GRBP-84-19 |
|
Proposal replaces the GRBP2026/26 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
| Reference Number: GRBP-84-20 |
|
Road legal race tyres are currently defined in the new UN R186 on abrasion but fall out of its scope. Considering that the new UN R186 on abrasion applies only to tyres that conform to UN Regulation No. 117., it is proposed to replicate therein the definition, the marking and the requirements of road legal race tyres by adding the new paragraphs 2.21., 4.5. and 6.9. |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State |
| Reference Number: GRBP-84-28 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 28 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) |
| Reference Number: GRBP-84-29 |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 31 Aug 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Tyre-related documents for 84th GRBP session |
| Reference Number: GRBP-84-31/Rev.1 |
| Submitted by: ETRTO |
| Meeting Sessions: 84th GRBP session (2-4 Sep) |
| Document date: 01 Sep 26 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
GRBP will be briefed on the activities of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT).
GRBP may wish to consider a proposal from the experts of ETRTO for new supplements to the 02 and 04 Series of Amendments to UN Regulation No. 117, to update and improve the content of this Regulation.
| GRBP/2026/16 | UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
|
| GRBP/2026/17 | UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
|
| GRBP-84-18 | UN R117: Proposal for a new supplement to the 02 Series of Amendments | |
| GRBP-84-19 | UN R117: Proposal for a Supplement 19 to the 02 series of amendments | |
| GRBP-84-20 | UN R117: Proposal for a Supplement 5 to the 04 series of amendments | |
| GRBP-84-28 | IWG WGWT: Status report of the IWG on Wet Grip Performance of Tyres in Worn State | |
| GRBP-84-29 | Status report form the Group of Interested Expert (GOIE) on Tyre Noise Level Alignment (TNLA) | |
| GRBP-84-31/Rev.1 | Tyre-related documents for 84th GRBP session |