Amazon.com: 12V 250W Electric Motor Heavy Duty DC Gear Reduction Brush Motor, with 9 Tooth Sprocket, for Electric Bicycle, Scooter, Bikes : Sports & Outdoors
DC 12V 90RPM 25KG.cm High Torque 8mm Shaft Magnetic Electric Gear Box Motor Replacement - - Amazon.com
DC 12V 90RPM 25KG.cm High Torque 8mm Shaft Magnetic Electric Gear Box Motor Replacement - - Amazon.com
Micro Brushless DC Planetary Gear Motor | NFPshop.com