Choka Air Inflated Bike

Designed in France by a pair of independent industrial designers, Choka makes worries over under-inflated tires a thing of the past. That's because the bicycle features an airtight down tube with a Schrader valve within the aluminum bike frame. The lightweight, simple, and ecological replacement of the hand pump allows you to gradually transfer a bit of air to top off a soft tire or deliver a bunch of air to inflate a tubeless mountain bike tire. It also has a security valve on the underside of the tube that automatically lets excess air out if it gets overinflated. The air inside each frame is said to be good to inflate three 27.5 x 2.80 tires to 22 PSI, with two frames being made available via a Kickstarter campaign.

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