Here is an article from a recent LAVA Magazine, provided with permission from Brad Culp of LAVA Magazine. It focuses on drive train friction. This is an excellent article, and I have highlighted the article sections that pertain to chains. Listed below are my comments and key points to the article: Mechanical Wattage savings of 6 to 9 watts are available if the chain is properly stripped of the factory coating and lubricated with a wax-based lubrication cocktail. A waxed base