N/W chainrings, clutched derailleurs and chain guides/keepers etc only treat the symptoms, not the cause.
I'd saw NW chainrings are the answer and closest to a cure.
What do you propose? A road smoothing pacing-steamroller?
The answer to what?
How does a solution that limits lateral play, solve a "vertical" problem?
@dbr started
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N/W chainrings, clutched derailleurs and chain guides/keepers etc only treat the symptoms, not the cause.