GRBP-81-05/Rev.1
UN R30: Proposal to supersede document GRBP/2025/9
GRBP/2025/9
UN R30: Proposal for Supplement 27 to the 02 series of amendments
|
UN R30: Proposal for Supplement 27 to the 02 series of amendments
|
|
Reference Number: GRBP/2025/9
|
|
Proposal to: - Update reference to ISO 4000-1:2024 (published in March 2024)
- Clarify the structure indication within the tyre size designation for run flat or self-supporting tyres suitable for speeds in excess of 240 km/h (inscription “ZRF”)
- Clarify the nominal rim diameter.
- Amend the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators.
- Introduce definition of tread depth (used in the requirements for special use and professional off-road tyres)
- Clarify the calculation of tyre section width
- Claify the Dmax requirement for snow tyres.
|
|
Submitted by: ETRTO
|
|
Document date: 04 Dec 24
|
|
Document status: Superseded
|
|
Relevant to
|
|
View full document file for more information
|