"Bicycle, cycle, bike, lights, bike, dynamo, generator, batteryless, safety light, magnet, flash, flashing, no, battery, batteries, no friction, no drag, no ...

For over a decade, Danish manufacturer Reelight has been making bicycle lights that are powered by magnets mounted on the bike's spokes. That means no batteries are necessary, so the lights can be ...

A new type of bike light is currently on Kickstarter that is looking to make the jump from concept to production. However this bike light requires no batteries of any kind. Instead it is powered by a ...