... cm 3.Gearbox Dia: 50mm 51mm dc gear motor,Can be equipped with encoder 1.Widely used in =====robot,lock. ... .cm5.Low noise,low current no spark6.Motor with encoder,12 pulse signal7.Reduction Ratio:3-10008.size ... -20 days.10. 6v dc gear motor,12v dc gear motor,24v dc gear motor,37mm gear motorGearbox Data: Number of stages2, ... .45302.16.987034272708.5 51mm dc gear motor with dc 12v micro motor with Encoder