Shark Wheel Jaws 54mm/78a Black Skateboard Wheels

These new wheels are one of a kind with improvements in speed and performance over the traditional street wheel.  Perfect skateboard wheel for street and park riders looking for a wheel with less weight, less friction, higher speeds, flatspot resistance, and the ability to go over rough terrain on your way to the skate park. Specifications: 54mm Wheels Less friction More speed Lighter weight Better over all terrains 78a durometer (hardness rating) Perfect for street and park riding Made in California, USA Rough Terrain. The best wheel over rough terrain. The sine wave shape tends to kick pebbles and small objects out of the way. Also the best wheel over wet conditions. Scientifically proven by San Diego State University, Mechanical Engineering Department. Approach Angle. Shark Wheels perform similarly to how drivers intuitively know to go over a speed bump at an angle to reduce the shock in their car. The unique 30-degree approach angle of the Shark Wheel reduces shock and deflects