See also:

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

Comfort: Further progresses with adaptive shock absorbers and improved air suspension
As in the safety field, the Mercedes-Benz E-Class has been setting the standards for long-distance comfort in this vehicle class for several decades. Bettering the already high level of the preced ...

Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government ...