Old 07-09-18, 06:42 PM
  #7  
steelbikeguy
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Originally Posted by Bikerider007
Certainly a unique solution, and they seem to be quite proud of it.....
“Advancements in drivetrain technology have been evolutionary since the 1920s. Driven is truly revolutionary given its unique rolling element power transfer and unmatched efficiency."

however, I'm not sure that it is really that original of an idea (although the multi-speed aspect seems to be new). Here's a brief article by Jim Langley on the 1899 Victor Spinroller, published in the August 1997 issue of Bicycling magazine....



I'm not sure how much drivetrains have evolved since the '20's, but this idea predates the 20's by another twenty years. I do have to give Ceramic Speed credit for using tiny ball bearings instead of the simpler bushings used in the Victor.

Steve in Peoria
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