The Emax BL2220-10 brushless outrunner motor is designed for models up to 43 ounces. As a result of using the latest ferromagnetic materials the EMAX 2220-10 motor offers extremely high efficiency and load capability for their weight. EMAX motors offer a high quality of manufacturing, reliability, and performance to be some of the best outrunners available on the market.This motor comes with a cross mount, bullet connectors for the ESC, and a prop adapter.