Thread: 4 speed semi-automatic. Is it a stupid idea?
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Old 05-26-14, 06:04 AM
  #10  
rm -rf
don't try this at home.
 
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This is kind of off-topic, but I thought you'd like to see it. ( You'd need a new frame with teeth in the dropout! )

In the 1940s, the Campagnolo Corsa worked this way: With the first lever, unlatch the rear quick release while riding! Backpedal while using the second lever to move the chain to a new cog. Tighten the quick release.





Gino Bartoli in the 1948 Tour de France:



Watch the shifting:
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Last edited by rm -rf; 05-26-14 at 07:56 PM.
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