The icon is a simplified depiction of a car tire. In the center is an empty circle, representing the empty center of the tire. The tire itself is heavily knobbed, implying that the tire is meant for outdoor use, but not inscribed with treads as might be expected.
Related to Tire Icon
Related icons are the icons with matching tags, as well as all transport icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors