Different tire compounds excel in different areas, which is why tires have speed ratings — not all materials can handle the extra heat and stress that come with high-speed driving. However, upgrading ...

The speed ratings of tires are more than just about the maximum allowable speed that the rubber can carry a load before failing, exploding, and causing a massive accident. It's one of the many numbers ...

Tire speed ratings basically tell you how fast you can go before your tires turn into shrapnel. Your everyday grocery-getters can get away with, say, inexpensive S-rated tires that will hold together ...