GEARED MOTOR 500 RPM(1/3)
GEARED MOTOR 300 RPM(1/5)
GEARED MOTOR 150 RPM(1/10)
GEARED MOTOR 100 RPM(1/15)
GEARED MOTOR 75 RPM(1/20)
GEARED MOTOR 60 RPM(1/25)
GEARED MOTOR 50 RPM(1/30)
GEARED MOTOR 37.5 RPM(1/40)
GEARED MOTOR 30 RPM(1/50)
GEARED MOTOR 25 RPM(1/60)