Anxiety Disorder Due to Medical Condition. Some diseases and Illnesses cause anxiety, including symptoms that directly mimic anxiety disorders. For example, thyroid conditions can cause sudden and extreme anxiety. Lyme disease can also cause panic attacks and anxiety.
SL: Standard Load; tire for normal usage and loads; XL: eXtra Load; a tire that allows a higher inflation pressure than a Standard Load tire, which increases the tire's maximum load; RF: Reinforcedâfor Euro-metric tires, the term 'reinforced' means the same thing as 'Extra Load' RFT: Run-Flat Tire; Tires designed for vehicles without spare tires.
Clearance. The numbers in the tire size refer to its width, aspect ratio, and wheel diameter. 205/55R16 means the tire is 205 mm wide, has an aspect ratio (that is, the width divided by the height) of 55%, and fits on a 16 rim.R means radial tire. They're all radials nowadays.