This agenda item relates to UN R90 Replacement Brake Components.
Working Party on Brakes and Running Gear | Session 79 | 16-20 Feb 2015

24. The expert from Italy presented GRRF-79-30, introducing the amendments proposed in ECE/TRANS/WP.29/GRRF/2014/23/Rev.1 as amended by GRR-79-11 and GRRF 79 13 on new requirements for the approval of replacement brake discs for L category vehicles, taking into consideration the latest technologies available in the market.

25. The proposal received some comments. GRRF agreed to revisit this item on the basis of a revised proposal to be submitted by the expert from Italy and taking into account all the comments received

26. The expert from CLEPA introduced ECE/TRANS/WP.29/GRRF/2015/10 proposing to clarify the definition of brake discs and drums variants in Regulation No. 90. The proposal received some comments. The expert from CLEPA volunteered to prepare a revised proposal for the September 2015 session of GRRF.

Working Party on Brakes and Running Gear | Session 80 | 15-18 Sep 2015

26. The expert from Italy presented GRRF-80-31, introducing ECE/TRANS/WP.29/GRRF/2014/23/Rev.2 and GRRF-80-37 and proposing requirements for the approval of replacement brake discs for L‑category vehicles, taking into consideration the latest technologies available in the market as well as comments received during the previous session of GRRF. GRRF adopted the proposal with the following amendments:

(a) the proposed transitional provisions (paras 12.1 to 12.6) shall be deleted;
(b) The note under Table A15/2.9 shall read: “There are no groups…”

Documentation
GRRF-80-12 | Proposal for amendments to Regulations No. 90 (CLEPA)
GRRF-80-31 | Presentation of the proposal for replacement motorcycle brake components under UN R90 (Italy)
GRRF-80-37 | Proposal for Supplement 03 to the 02 series of amendments to Regulation No. 90 (Italy)
GRRF/2014/23/Rev.2 | Proposal for amendments to Regulation No. 90 (Italy)
GRRF/2015/22 | Proposal for amendments to Regulation No. 90 (CLEPA)