Formula 1 is the most expensive branch of motorsport, and the series raced for decades on 13-inch wheels and tires. Now, they use 18-inch wheels and tires. Pirelli was a supplier for the special tires ...
For years, the 15-inch-diameter wheel was the standard for us 'wheelers. It didn't matter whether we were running 31-inch- or 44-inch-diameter tires on our rigs-most of us used 15-inch wheels. Five ...