Children's electric car motor RS550 RS390 RS380 12V 6V RS555 24V 10 teeth 1 cm. 550 6V 11000 rpm. 550 6V 13000 rpm. 380 6V 14000 rpm. 390 6V 18000 rpm. Torque and power: 570>555>550>390>380. 550 12V 10000RPM.
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