Thread: Triple or Compact?
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Old 02-20-05 | 07:58 PM
  #75  
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terrymorse
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Originally Posted by Brett 12
Just wonder what the % loss or change in efficiency (of an 11T) is compared to 12T?
Data on the subject is pretty hard to find, but here's a chart I pulled from a Human Power journal:



Spicer et al, On the efficiency of bicycle chain drives;
Human Power, the Journal of the IHPVA; Number 50, Spring 2000

Here's a link to the PDF containing the chart.
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