A tire's section width (also known as cross-section width ... Depending on the specific fluid, the nominal wet boiling point may also increase significantly over parts store DOT 3/4 fluids ...

The first designates the nominal tyre width in millimetres, and the second the bead diameter. A 28mm wide 700c road bike tyre, for example, would have an ETRTO number of 28-622. For historical ...