Because generator based lighting systems have not been popular outside of Europe for decades, many simple techniques for doing good, i.e. nearly invisible, wiring have been lost or are only now slowing reemerging. The reason for this is that during the era of incandescent lighting, standard hub dynamos simply could not produce sufficient power and thus light for cyclists to travel safely at speed on unlit roads. The advent of LEDs has changed all of this. Today, the most powerful …
