Abstract / scope
Specifies the designation, dimensions and load-carrying capacity of metric series 100, 90, 80, 70, 60, 55 and 50 motorcycle tyres to be mounted on the metric series of rims. Applies to motorcycle tyres with reduced height/width ratio (low profile). ISO 4249 deals with the requirements for motorcycle tyres and rims (code-designated series) for rim diameters code 13 and above, ISO 6054 with those for rim diameters code 12 and below.