HSW or High-Speed Wheel is a line of Hot Wheels Wheel Types. First used in the Team Hot Wheels High-Speed Wheel line, it had the distinction of being released in its own separate line. The wheels are made from acetal plastic which has inherent low friction properties. They were mounted on nickel-plated axles. This wheel was designed by Kevin Cao.
The Official Mattel name for this wheel is HSW or High-Speed Wheel.