Most transmissions in fashionable automobiles use synchromesh to synchronise the speeds with the input and output shafts. Having said that, previous to the 1950s, most automobiles applied non-synchronous transmissions. If the gear lever is moved, the synchromesh cone fulfills with an analogous cone about the pinion. Due to friction, https://marcottspo.bloguetechno.com/the-2-minute-rule-for-gearbox-68911708