10pcs/bag Plastic Small Motor Gears 6T 7T 8T 9T 10T 11T 12T 13T 0.3M 0.4M R/C Helicopter Quadcopter

10pcs/bag Plastic Small Motor Gears 6T 7T 8T 9T 10T 11T 12T 13T 0.3M 0.4M R/C Helicopter Quadcopter

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