Efficiency isn't really debatable...it's science, while all lubes might work to some extent. Why spend hard earned cash on something proven to not work as well? You are just wearing out your components faster and losing watts. While wax is THE option, we get you might not be ready for it. #SILCA Synergetic is the top rated oil based lube ever tested, never beaten. This 2 oz bottle is 12,000+ miles of ride time.