The use of the tyre is declared for each product where the recommended parameters are listed:

Suitable rim: rim is marked with two sizes A x C, where A is nominal diameter and C is rim width (see the figure)

Usage type: wheelchairs, bicycles...
Usage type other than recommended: possible with maximum load capacity (which is declared for each product) and maximum speed of 10 km/h for wheels up to 350 mm and 40 km/h for larger diameter.

Tyre marking example