CW/CCW Brushless Motor For 3-4S Lipo RC Quadcopter F450 F550 DJI CX-20 DIY D

Compatible for DJI Phantom 3-4s F330 F450 F550 X525 DIY Quadcopter Cheerson CX-20 Drone. 1/2 Pieces CW/CCW Motor(optional).

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