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Proposal to amend the document GRB/2012/11
Document GRB-57-03
17 January 2013

Amendments to the proposal to amend the snow test method for C3 tyres in order to prescribe the wider of the possible speed ranges. Corrects wording to replace “blocking differential” with “differential lock” and mandatory use of differential lock in certain cases.

Submitted by ETRTO
Status: Superseded
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Previous Documents, Discussions, and Outcomes
6. | Regulation No. 117 (Tyre rolling noise and wet grip adhesion)

15. GRB resumed discussion on ECE/TRANS/WP.29/GRB/2012/11, amended by GRB-57-03. The expert from EC expressed reservation on the term of differential lock that could lead to misconception. GRB endorsed the reservation of the expert from EC and agreed to inform GRRF.

Related and Previous Documents
GRB/2012/11
Relates to UN R117 |