Siva Cycle Atom - a usb charger powered by pedalling
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How pedal power could charge your phone

From backpacks that light up to indicate which way you are turning, to a "smart" bike lock and a USB charger that gets its power from pedalling, BBC Click's Lara Lewington looks at some of the latest cycling technology.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.

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