BERKELEY, Calif. — When Dan Goldwater first attached kaleidoscopic LED lights to the spokes of his bicycle wheels and rode through the Burning Man festival at night, the crowd was wowed. And the ...

The 555 circuit below is a flashing bicycle light powered with four C,D or AA cells (6 volts). Two sets of 20 LEDs will alternately flash at approximately 4.7 cycles per second using RC values shown ...

Finding the best light for your bike isn’t something that’s so easy to do, and it happens for a good reason. Most often, bicycle owners look for the most affordable balance between efficient light to ...

Arclight’s SmartSet sensors turn the lights on automatically when you start riding, and turn off automatically when you park your bike. The Arclight Pedals are equipped with SmartSet sensors that ...

Reelight’s bike lights have been keeping cyclists safe for more than 10 years, but the team behind them is now aiming to score Kickstarter backing for an upgraded design. If you’ve not heard of ...

I got a cheap bicycle headlight a while ago. The battery-operated 3-LED headlight with 80dB multitone bicycle horn is suitable for the universal normal bicycle handlebar. It is a rather amazing gizmo.

Rope lights are designed to run from the mains, so you'll need to rewire them in parallel to work with a battery pack. "Cut the outer sheath of the rope down the middle with the razor blade," Cram ...

While a headlight and tail light are essential for night-time bicycle commuting, one thing that really catches motorists' eyes is movement. Arclight Bike Pedals were designed with that in mind, as ...

You've doubtless seen those little LEDs that can be fastened to a bicycle's spokes, that create a ring of light when the wheel is spinning. While they do make the bike much more visible at night, they ...

It's happened to me, it's happened to you. You walk out of a concert, a restaurant, or the office at an hour well past sunset, go to unlock your bike, and you realize you don't have your lights. Maybe ...