Monday, 14 December 2015

Bicycle inner tube is promised to pump itself up as you ride

The PumpTube is claimed to use wheel motion to draw air into itself

It was three years ago that we first heard about inventor Benjamin Krempel's PumpTire – it was a prototype bicycle tire that used wheel motion to keep itself inflated. While it was an interesting idea, it would require users to give up their existing tires, plus the peristaltic pumping mechanism would be compromised once the tread wore away. Well, he has now come up what sounds like a better alternative: the PumpTube.

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Section: Bicycles

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from Gizmag Emerging Technology Magazine http://ift.tt/1P3DpLH

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