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 ...

Supernova have gained a great reputation for making innovative, powerful lights that are remarkably small, and for 2012 they’ve taken on the redesign of the dynamo hub. They were showing two new ...

Spa Cycles' cheapest dynamo hub wheel and light bundle is inexpensive enough to rival decent battery lamps or less efficient sidewall dynamo systems on price alone. It’s not as efficient as a costly ...

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 ...

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 ...