Ninja Short Course 10.5 Brushless motor is based of the Nemesis based motor. Fully tuned from Express same as our past National Championship motors. The NEMESIS is USA designed by Team EPIC and incorporates all the tricks and tweaks developed by Jim Dieter & Paul Lemieux while winning every major modified race in the past 18 months. A new stator, rotor and sensor are just a few of the many improvements incorporated into the NEMESIS line. Blue in color. (sensor cable not included) shipping aprox-9/18/2010