See also:

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 ...

Bead
The tire bead ensures that the tire sits securely on the wheel. There are several steel wires in the bead to prevent the tire from coming loose from the wheel rim. ...

Features
Aside from dressing up to drive them, I like how German luxury cars have a plethora of options and toys to play with. Our E350 was no exception, starting with the upgraded Harman Kardon stereo. I ...