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 ...

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 ...

Revealed at Eurobike, the SON 29 S could be the sleekest and most compact dynamo hub out there. SON already enjoys a reputation for compact and powerful generator hubs, with its highly regarded SON 28 ...

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 ...

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 ...