Abec 11 is the best longboard wheel company out. This flagship wheel will smooth out even the roughest roads and this soft formula also helps to absorb shock and provide extra traction. If you a ride like a limousine, this is your wheel. The urethane they use is the best quality possible. Any avid longboarder that has not skated on a set of Abec 11's does not know what they are missing. Once you longboard on a set of these wheels you will never go back. Here is Abec 11's highest performance series of wheel - The Flywheels. Speed, traction, control. You really can have it all in one wheel.