The Hub motor will come laced to DOT compliant rim, WM3 style 36 hole, 18 X 2.15, other sizes available on special order, or order just the motor and have a rim of your choice spoked onto the motor. MHM603: Three turn winding motor (higher torque, lower speed than MHM602) Specifications. Power output (Air Cooled): 10KW continuous @ 25c ambient