Sparkfun Electronics 4.5V Hobby Gearmotor - 140 RPM (Pair)

The 4.5V Hobby Gearmotor - 140 RPM (Pair) is recommended for use in the Shadow Chassis and offers an easy-to-use setup to get your wheels turning. Each Hobby Gearmotor has a 9mm long output on a straight axis. These gearmotors require a voltage of 4.5V with a no load current of 190mA while possessing a gearbox ratio of 48:1 and a wheel speed of 140 RPM unloaded. Hobby Gearmotor; Nominal Voltage: 4.5VDC; No Load RPM: 140 RPM; Stall Torque: 800 gf-cm; Shaft Diameter: 9mm