... ,RV63,RV75,RV90,RV110,RV130 Gearbox reducer ratio,1:7.5-1:100 Power Transmission Equivalent to Motovario NMRV 030- ... 130 Aluminium new transmission Worm Gearbox Reducer price Characteristics:(1) With ... torque(5) Safe,reliable, economical and durable(6) Stable transmission, quiet operation(7) High heat-radiating efficiency, high carrying ...