http://en.wikipedia.org/wiki/Dual_clutch_transmission



On 06-Aug-12 13:56, John Gardner wrote:
> Since CVTs have come up, there is this:
>
> http://en.wikipedia.org/wiki/NuVinci_Continuously_Variable_Transmission
>
> I'm putting together a bicycle with one - With a front derailleur
> I'll have a possible overall ~ 6:1 gear ratio.

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