225WIDTH
Nominal section width in millimetres.
65ASPECT RATIO
Sidewall height as a percentage of width.
R17CONSTRUCTION & RIM
Radial construction and 17-inch rim diameter.
Service description
Numbers and letters following the size commonly identify load index and speed category. Use the load-index chart and speed-rating chart, then verify requirements from the vehicle placard and manufacturer documentation.
Other markings
Sidewalls can also identify construction, maximum load, inflation limitations, winter-service symbols and manufacturing information. A marking does not by itself confirm suitability for a particular vehicle.