Right angle gear reducers speed ratio 1:1 or 2:1,transmission ... to 95%.cast iron or aluminum gearbox are available. NOSEN Right angle gear reducers RNV-Series,cubic shape of gearbox.Model: RNV ... ,RNV-090,RNV-120,RNV-160,RNV-200,RNV-260Function: right angles change transmission directionsConfigurations: spiral bevel gears,bearings,gearbox,input ...