In other words, the larger this second number is, the taller your motorcycle tire will be. For example, a tire that is written 130/90 means that it has a width of 130 mm and it is 90 percent as tall as the given width. When you calculate 90 percent of 130, that means it is 117 mm tall.

Date of Manufacture On the side wall next to the U.S. DOT tire identification number you will find a 4-digit number. The first 2 digits indicate the week of its manufacture and the last two are for the year. In our example, the 0916 translates to the 9th week in the year 2016.

Risk of accident with Dunlop Roadsmart III The wording from the manufacturer Goodyear: "Goodyear-Dunlop has initiated a voluntary recall for the Dunlop Sportmax Roadsmart III motorcycle tire in size 120/70ZR17 M/C (58W) with production weeks 34, 35, 36, 46 and 47 of 2023.

Age of the tire. Most tire makers recommend that the tires should not be used after five years. The reason for this is that the oils in the rubber vanish over time triggering the rubber to toughen up.