2 pezzi N30 ingranaggi fai da te Smart Car Maker Robot grande coppia ingranaggio in metallo piccolo motore
The N30 geared motor is longer than the N20 geared motor. Notice: can compatible gears (gear is not included, choose 3mm hole gear). [Motor width]: 12mm. [Motor height]: 10mm. [Fixed Aperture]: 1.6mm.