The hassle with biking gadgets is they draw energy. Even if you’re running everything off your phone (Strava, music, GPS, video, the occasional pic, message, or phone call) the serious worry is that ...

Bicycle generator technology has advanced far beyond the bottle dynamos of years past, which as often as not would introduce enough drag when engaged to stall the bike. Granted, it’s not as much of a ...

Keep your iPhone fresh as you pedal. If you want to power your bike’s lights and charge your iPhone as you pedal, you should have specced a dynamo hub when you got the wheels built. But either you ...

The idea for this circuit came when the author had problems with the wireless speedometer on his bicycle. Such a device consists of two parts: the cycle computer itself and a transmitter that is ...

Hub dynamo lighting is the ultimate upgrade accessory for anything ranging from a utility touring bike to a tourer, and they generally outlast battery-powered alternatives by years if not decades. The ...