Used passenger car tyres and light truck tyres may have a stud protrusion of up to 2.0 mm.
The first three numbers (205) indicate the width of the tyre tread in millimeters. 60 is the aspect ratio or profile of tyre. This is indicated in percentage of the tyre width. “R” stands for the construction method of the tyre indicating the tyre is a radial tyre. The following two numbers (16) ind…
The depth of the main grooves in the tread must be at least 1.6 mm on summer tyres and at least 3.0 mm on winter tyres. The main grooves are the wide grooves in the central area of the tread on about 3/4 of the tread surface.
Studded winter tyres can be used from November 1 to March 31 or until Easter Monday. Studded tyres can be used at other times if the weather or driving conditions require them.
Winter tyres must be used on cars and vans in December, January, and February. Exceptions include temporary transfers for sale, repair, or inspection.