Originally Posted by
superstring
A long, long time ago (and probably in a galaxy far away!) a fellow by the name of John Barnett of the Barnett Bicycle Institute in Manitou Springs, CO did a chain lube test for the now long defunct magazine "Bicycle Guide". His conclusion was that the major factor in chain wear was the accumulation of dirt. Of the products he tested the best (in other words the one that the least amount of grit stuck to) was Super Lube teflon lube. Just saying ...
As I recall that article said the most important part of chain lubrication was starting with a clean chain and that the lube was secondary.