ZGA16R-030 DC 3V-5V 185RPM Slow Speed Mini 16mm Full Metal Gear Box Motor Robot Micro 16mm 3V 3.7V 5V Slow Speed Mini Metal Gear Motor Large Torque Robot Car Specification: Motor model: 030 micro motor Reducer outer diameter: 15.9 MM Output shaft diameter: 3 MM (with flat position of 2.4 MM) Output shaft length: 9.5 MM Reduction ratio 1: 91
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