Mar 1, 2022 10:00:14 PM Lennard Zinn Share: facebook-f icon linkedin-in icon Twitter icon pinterest-p icon envelope icon In this test from the March 2013 issue, Friction Facts measures the efficiency cost in watts for the most popular chain waxes and lubricants. Read the full article at 30 chain lubes lab tested for efficiency on VeloNews.com. velonews, ask lennard zinn, technical q&a, technical faq, lennard zinn