http://www.roadandtrack.com/new-cars/car-technology/news/a18296/anatomy-of-a-tire-1/ -------------- next part -------------- [1]http://www.roadandtrack.com/new-cars/car-technology/news/a18296/anat omy-of-a-tire-1/ References 1. http://www.roadandtrack.com/new-cars/car-technology/news/a18296/anatomy-of-a-tire-1/