Ityrecare While you first look at the side of a tyre, you will word that it's blanketed in various numbers and codes, however what do they all imply? The main wide variety will appearance something like this: 205/55r16 91v "205" describes the tyre's breadth. It suggests the tyre tread width is 205mm throughout. Maximum motors may have tyres that fall somewhere inside the range of 135mm for small, affordable hatchbacks, up to an vast 345mm, which can be commonly made for supercars like porsches & lamborghini's. https://www.ityrecare.com/