GRBP-73-02
Proposal to amend the Worn Tyres informal working group Terms of Reference
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Proposal to amend the Worn Tyres informal working group Terms of Reference
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Reference Number: GRBP-73-02
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Proposal to expand the scope of the activity to include C2 and C3 tyres.
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Submitted by: EC
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Document date: 04 Jan 21
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Relevant to
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GRBP-73-02
Proposal to amend the Worn Tyres informal working group Terms of Reference
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Proposal to amend the Worn Tyres informal working group Terms of Reference
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Reference Number: GRBP-73-02
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Proposal to expand the scope of the activity to include C2 and C3 tyres.
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Submitted by: EC
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Document date: 04 Jan 21
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Relevant to
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GRBP-73-02
Proposal to amend the Worn Tyres informal working group Terms of Reference
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Proposal to amend the Worn Tyres informal working group Terms of Reference
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Reference Number: GRBP-73-02
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Proposal to expand the scope of the activity to include C2 and C3 tyres.
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Submitted by: EC
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Document date: 04 Jan 21
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Relevant to
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GRBP-73-08
Proposal to amend the Worn Tyres working group terms of reference
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Proposal to amend the Worn Tyres working group terms of reference
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Reference Number: GRBP-73-08
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Proposal to include requirements for wet grip of tyres of classes C2 and C3 in worn state to the scope of the working group activities.
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Submitted by: ETRTO
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Document date: 21 Jan 21
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Relevant to
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View full document file for more information
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GRBP-73-08
Proposal to amend the Worn Tyres working group terms of reference
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Proposal to amend the Worn Tyres working group terms of reference
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Reference Number: GRBP-73-08
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Proposal to include requirements for wet grip of tyres of classes C2 and C3 in worn state to the scope of the working group activities.
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Submitted by: ETRTO
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Document date: 21 Jan 21
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Relevant to
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View full document file for more information
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GRBP-73-11
ETRTO Tyre Performance Study
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ETRTO Tyre Performance Study
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Reference Number: GRBP-73-11
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Overview of UTAC CERAM testing designed to consider the impact of additional tightening of tyre performance limits on the balance
between legal requirements (rolling resistance, wet grip and rolling sound emission) and other performance aspects not subject to legal requirements.
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Submitted by: ETRTO
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Document date: 21 Jan 21
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Relevant to
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View full document file for more information
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GRBP-73-18
Status report of the Worn Tyres working group
GRBP-73-18
Status report of the Worn Tyres working group
GRBP-73-18
Status report of the Worn Tyres working group
GRBP-73-19
UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres
GRBP-73-22
Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres
GRBP-73-22
Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres
GRBP-73-27/Rev.1
Working group on Worn Tyres: Proposal for revised terms of reference
GRBP/2020/11
UN R117: Proposal for revised Terms of Reference of the IWG WGWT (Wet Grip Performance for Tyres in a Worn State)
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UN R117: Proposal for revised Terms of Reference of the IWG WGWT (Wet Grip Performance for Tyres in a Worn State)
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Reference Number: GRBP/2020/11
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Document date: 19 Jun 20
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Relevant to
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View full document file for more information
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GRBP/2020/17
UN R117: Proposal for amendment