Product Description
The MII-40 Series motor! This motor specially made for multi-copter. This motor provides all the power that you can use, while still maintaining excellent efficiency and higher power than any competition, perfectly balanced rotor. And the bearing has change to 4*11*4 since M-4010 version.
It suitable for two types of propeller which has space 12mm screw hole and 6mm & 8mm inner diameter.
