Originally Posted by Sy Reene

I'm not insinuating anything, just that, per the section I bolded, the claim is perfectly true, but dependent on the notion of 'given equal use'.

Let's try chains then. Worth pointing out though, there could be better performance (reduced friction) from a DA 11s chain vs. eg an Ultegra 11s chain, but I couldn't find that test. Mind you, for chains there's only about a $10 price difference and roughly only about a 10g weight savings.