Airless Bike Tires

Airless Bike Tires
Design

The prototype Energy Return Wheel has no air inside, only an internal rubber layer that is stretched and held taut.

Emma Hutchings
  • 1 november 2012

Britek Tire and Rubber has been developing an airless tire that can eliminate flats and convert stored energy into forward momentum. The Energy Return Wheel (ERW) has an internal rubber layer, which is stretched and held taut by adjustable rods. Gizmag reports that the tire features a rubber tread on the outside, and a series of elastic cushions in the space between. The bicycle tire also has lightweight 29-inch carbon fiber rims, and is open on the sides.

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