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 ...
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 ...
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