synchromesh

An automotive gear-shifting system in which the gears are synchronized at the same speeds before engaging to effect a smooth shift.

A gear in such a system.

System of synchronized transmission found in modern gearboxes to make gear changing easier and smoother.

A device which functions like a synchronized transmission.

Having the quality or smoothly exchanging interlocking forces.

an automotive system for shifting gears in which the gears revolve at the same speed and so shift smoothly