I've heard this as well. I doubt it would apply to fixies or SS's. From what I know a new chain on well worn parts causes shifting problems, not an issue for us. I still its a ploy to spend more on parts you don't need.
Cheers
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I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC