Talk about slow time-to-market: 500 years after being developed, Leonardo Da Vinci's transmission hub is finally going into production with Ellsworth's The Ride bicycle.
Da Vinci, the Original Industrial Designer (sorry, Raymond Loewy) developed a transmission based on independently rotating spheres. The NuVinci hub offers a smooth transmission of power without the jerky clunks that come with changing gears on today's chain-and-derailleur bicycles. I guess if your beard was three feet long, you'd look for a way to get rid of the chains too.
[Via CoolHunting.]
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SBS is importing Nuvinci-equipped BATAVUS commuters' bikes from Holland for ~$1500.