what are radials
A radial tire (more properly, a radial-ply tire) is a particular design of vehicular tire.ichelin in France designed, developed, patented, and commercialized the radial tire. There is no evidence that Michelin had knowledge of Arthur Savage's earlier work. The first Michelin X radial tire for cars was developed in 1946 by Michelin researcher Marius Mignol.