Division 2.21.1 F1
The nominal section width. This must be expressed in millimetres, except in cases of tyres for which the size designation is shown in the first column of the tables in Annex 5 to this Regulation.
The nominal section width. This must be expressed in millimetres, except in cases of tyres for which the size designation is shown in the first column of the tables in Annex 5 to this Regulation.