Square wheels for a better skateboard.
After 3,500 B.C. no one has successfully come up with a better design to replace the simple circular wheel until the invention of Shark Wheels. Using sine-wave pattern in a shape of a perfect cube, this new wheel design is a lot faster, handles rough terrain better and has more grip. Simply put, it is the modern wheel. With this on your skateboard you’ll be able to go through rugged and wet terrain with ease, move faster, have more slide control and look a little cooler. The only thing it won’t do is it not make you a Tony Hawk overnight that thing takes a lot of skill and practice.