a monorail shifting device for a multi - gear variable - speed transmission with a gearshift rail , a shifting element and a selector element . the gearshift rail is arranged and can be displaced axially , in a transmission housing , and the shifting element is connected to the gearshift rail , fixed in the axial direction . the shifting element transmits axial shifting movement selectively to one of a plurality of shifting fork arms . relative to the transmission housing , the selector element is fixed in the axial direction on the housing . the shifting element and the selector element can pivot together about a central axis . a shift position detent acts between the shifting element and the selector element . furthermore , the monorail shifting device is typically incorporated into a multi - gear variable - speed transmission .