Company Reinvents Rear Bike Wheel to Store Energy

Company Reinvents Rear Bike Wheel to Store Energy

bike invention battery wheel-BBCvidA new device has been launched that can transform almost any bicycle into an electric-hybrid vehicle.

The Copenhagen Wheel, named for the cycling-rich city, is a self-contained unit that replaces the rear hub of a bicycle wheel.

It stores energy, which can later be released if a cyclist needs help going up a hill.

(WATCH the video below from the BBC)

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