Thread: More than 21 speeds ?
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Old 06-30-20, 05:33 PM
  #42  
fietsbob
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My 3 by 3 by 3 speed was 27 speeds 3 to 3rd power.
or 3 cubed

3 cogs on a 3 speed hub & triple crank..

bike was what I made up in about 1957..







...
Last edited by fietsbob; 06-30-20 at 05:38 PM.
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