The aspect ratio, meaning the height of the tire's sidewall is 70% of its width.
The width of the tire in millimeters from sidewall to sidewall. 22570 rar
If you step away from the keyboard and into a garage, the numbers take on a physical form. This is one of the most common tire specifications for SUVs, light trucks, and classic muscle cars. Decoding the Specs: The aspect ratio, meaning the height of the