See also:

Rim
This is the part of the wheel on which the tire is mounted. ...

Important safety notes
It is particularly important to use a safety net if the vehicle is loaded with small objects above the level of the backrests. For safety reasons, always use a cargo net when transporting load ...

Checking the tire pressures
Important safety notes WARNING   Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling ...