The preselector gearbox can be an older program, typically located in vintage automobiles. It lets the motive force to "preselect" the following gear in advance of truly engaging it. This system employs a combination of gears and clutches to generate the actual gear transform smoother and faster at the time https://automobile-gearbox08528.ampedpages.com/automobile-gearbox-no-further-a-mystery-61094213