... aluminum alloy, appearance elegant, efficient radiator, high carrying ability 2)reducer 1)High quality aluminum alloy, appearance elegant, efficient radiator, ... with flangeNRVMeans shaft-input without flange063Centre-to-centre spacing of worm-gear speed reducer30RatioVSDouble input shaftF1(FA)Flange outputASSingle output shaftABDouble ... 450299series aluminum alloy worm reducer