06 Sep '11, 4pm

Introducing the self-inflating bicycle tire

PumpTire has developed the world's first self-inflating bike tire , which actually takes in air and inflates to ideal pressure as you ride. This won't keep you from ever getting a flat or anything, but it could spare you a lot of tedious adjusting and checking of tire pressure. The company is raising money on Kickstarter to make the tires commercially available. You can pledge $45 to get one self-inflating tire, plus a pressure control valve and an inner tube, or $75 for two -- not too bad as long as they last a reasonably long time.

Full article: http://www.grist.org/list/2011-09-06-introducing-the-self...

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