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 ...

Dynamo hubs are fantastically convenient. They power your lights whenever you ride, meaning you never have to change batteries. And because they are sat inside the wheel hub, they're safe from the ...

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 ...

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 ...

Remember those "bottle"-type dynamos that rubbed against the side of your bike tire in order to power the lights? Well, they've gotten a high-tech makeover, in the form of the fork-mounted CadenceX ...