speed motor reductor: 1.with many power and rotation 2.competitive price Speed motor reductor: stages(mm)Output torque Efficienc(%)Backlashno-loadWeight (g) ContiInter 1150.20.490≤1.5°9 218.50.30.581≤1.5°12 3220.30.573≤1.5°16 425.50.30.565≤1.5°19 5290.30.559≤1.5°22 6330.30.553≤1.5°25