Why Some Truck Tires Float Above The Ground

I am pretty sure that you have ever driven past a truck and noticed that there are some wheels that seem like they are floating. While some of you may think that this is just some sort of cool design, these actually have a purpose. There are trucks, both large and medium, that come with wheels that can be lifted off the ground. Others even have wheels that fold to the top of the truck. These wheels are actually there for various reasons. So, don’t just think that they are there for nothing. But why are they really there? What purpose do they serve? Let’s find out, shall we?