Pierre's retrodirect drive bike, side view

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Uploaded by on Jan 13, 2007

This is a retrodirect bicycle drive being driven backward then forward, showing the slow backward speed and fast forward speed.

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Autos & Vehicles

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Standard YouTube License

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  • @ReiMonCoH

    You don't see the point, do you? He has TWO freewheels independently connected to the same wheel (albeit, with two different gears). It's the college kid's dream.

  • Congrats. You've invented the bicycle. Better get that patented ASAP

  • Pierre thats a whole mess of bullshit give up man,go play checkers or something.

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