This is a miniature brushed DC micrometal motor with a metal gearbox available in a range of gearing ratios depending on use. Also known as an 'N20 motor'. All of the micro metal gear motors have the same physical dimensions, so one version can be easily swapped for another if your design requirements change. they work perfectly with Pololu 42x19 wheels or track kits! If you need a motor driver to go with them, check out our motor driver section. Ratio Speed @ 6V Free-run current @ 6V Stall torque @ 6V Stall current @ 6V 50:1 420±10% rpm 40mA 0.9kg. cm 700mA 50:1 (Low Power) 250±10% rpm 40mA 0.5kg. cm 360mA 100:1 220±10% rpm 40mA 1.4kg. cm 700mA 100:1 (High Power) 320±10% rpm 80mA 2.2kg. cm 1600mA 298:1 75±10% rpm 40mA 3.3kg. cm 700mA https://elecena.pl/product/22715299/micro-metal-gearmotor 2023-03-07 https://elecena.pl/product/22715299/micro-metal-gearmotor 2023-12-27 https://elecena.pl/product/22715299/micro-metal-gearmotor 2024-09-19 https://elecena.pl/product/22715299/micro-metal-gearmotor 2024-11-29 https://elecena.pl/product/22715299/micro-metal-gearmotor 2024-11-30 https://elecena.pl/product/22715299/micro-metal-gearmotor 2025-11-28 https://elecena.pl/product/22715299/micro-metal-gearmotor 2025-11-29