E-flite X-Mount/Hardware:Power 10/15/25 Cyclon 20/30 Lightweight aluminum X-style motor mount designed to fit brushlesss outrunner motors Includes all mounting hardware, blind nuts, and L-hex wrench Designed to fit E-flite's Power 10, Power 15, and Power 25 Brushless Outrunners Ideal mount for Cyclon 20 and 30 Brushless Outrunners 25mm hole offset to attach to motor- can fit other outrunners with this mounting pattern