This hub is the "Official" Hub required for the Dominator 1500 Race Planes.3.3oz. / 93.6 Grams
1-1/2" B-Style Prop Hub"YOUR CALL"
It "Looks Better" if the Hub is a little "Smaller" than the face of your Prop.
"See Sketch Below"This Hub is specifically designed to fit the Moki 2.1 motors
"THIS HUB NEEDS NO EXTRA PARTS OR MODIFICATIONS FOR MOUNTING WHEN USING THE APC RACE PROP"