| Re: Needed new bike design
Rex Kerr wrote:
>> Well, they've been made since 1889, but if you can find one it's going to
>> be expensive.
>>
>> http://www.localhistory.scit.wlv.ac..../bicycles/Sunb...
>
>
> I like that two speed crankset. Interesting!
>
Schlumpf Speed Drive, still expensive:
http://www.google.com/search?num=30&...e+&btnG=Search
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