Do not dismiss your dream. Reducer can be positive and reverse operation. Reduction Ratio: 1/5,1/7.5,1/10,1/15,1/20,1/30,1/40,1/50,1/60,1/80,1/100. Out speed: 18~240 RPM. 1 x Screw Gear Reduce. Do not run through your life so fast that you forget not only where you have been, but also where you are.
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