4Pcs DIY High-Speed Coreless Motor Set Hollow Cup 3.7V 50000RPM with 55mm Propeller Props CW/CCW for Micro FPV Quadcopter Toy

4Pcs DIY High-Speed Coreless Motor Set Hollow Cup 3.7V 50000RPM with 55mm Propeller Props CW/CCW for Micro FPV Quadcopter Toy

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