Made from glass or carbon fiber filled nylon, the Speed 400 series have narrow blades for high RPM on direct-drive Speed 400 motors. All props have a 0.25" bore with adapter rings for 0.188" (4.8mm) and 0.236" (6mm) prop adapter shafts. These props should not be used with glow or gas powered engines. Maximum RPM is 190,000 / Prop Diameter in inches.
Prices, product specifications, and product availability are subject to change without notice.