What are synchromesh gears designed to do?

Synchromesh gears are primarily designed to facilitate smooth shifting between gears in a manual transmission system by eliminating the need for double clutching. This technology enables the gears to synchronize their speeds before engagement, allowing the driver to change gears without having to match the engine speed to the transmission speed manually, which is what double clutching involves.

With synchromesh, when the driver selects a gear, the synchronizer mechanism helps to align the gear speeds, reducing the chance of grinding and making the shift smoother. This system allows for easier operation and is particularly beneficial for drivers who may not have mastered the technique of double clutching. Therefore, the ability to shift smoothly without the need for this advanced technique is a significant advantage of synchromesh gears.