First Infinitely Variable Gearbox for Bikes

A variable gearbox for bikes was needed! This one seems very complex and there are many moving parts so I doubt it will go far in the Tour de France but the idea is there. Hopefully someone will come up with something more simple. Derek Lahr describing in detail and showing off his infinitely variable transmission for bicycles. Awarded best in show invention at World Interbike Convention in Las Vegas October 2007. VIDEO->

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