Gear Ratio = 10:1 전체 길이 = 90mm Overall Width = 90mm Overall Depth = 40mm In case of requiring higher gear reduction ratio that cannot be generated by single gearbox, please use inter-decimal gearbox with general gearbox. DKM 8XD10/9XD10 Gearbox. Inter-decimal gearboxes from DKM motor. 80 mm Frame size- 8XD10 90 mm Frame size- 9XD10