See also:

Load index
In addition to the load bearing index, the load index may also be imprinted on the sidewall of the tire. This specifies the load bearing capacity more precisely. ...

Storing wheels
Store wheels that are not being used in a cool, dry and preferably dark place. Protect the tires from oil, grease, gasoline and diesel. ...

Tire characteristics
Tire data is vehicle-specific and may deviate from the data in the example. This information describes the tire cord and the number of layers in sidewall 1 and under the tread 2. ...