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.