(YouTube Link) Bicycle maker Gyrobike has invented the "Gyrowheel" -- a wheel with a mo... ...deos below show (and there are plenty more on the Gyrobike
https://www.neatorama.com/2009/09/30/gyroscopic-wheel-replaces-training-wheels-on-bicycles/
Gyroscopic Wheel Replaces Training Wheels on Bicycles...
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