A Jyrobike (formerly known as Gyrobike) is a bicycle with a special front wheel designed to make balancing easier. It is manufactured and sold by a company of the same name. The special front wheel contains a rotating flywheel driven by a rechargeable-battery-powered motor that spins at high RPMs like a gyroscope. This flywheel spins significantly...
Found on http://en.wikipedia.org/wiki/Jyrobike
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