<![CDATA[EC21 Product Catalogs - diameter reduction]]> <![CDATA[15mm 18 Deg Micro Stepper Motor with Reduction(Gear Ratio 1:20, 1:50)]]> <![CDATA[5.5KW Helical Bevel Drive Gear Motor 3HP M1A Hollow Shaft 40mm]]> <![CDATA[5V 10mm Geared Stepper Motor 2 Phase 4 Wires Stepper Motor with Metal]]>