Empirical, yet admittedly anecdotal, experience tells me that perfect shifting derailleurs become imperfect derailleurs, usually after nasty weather.
If these help alleviate that by the easy application of GT85, then great.
@mashton started
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Empirical, yet admittedly anecdotal, experience tells me that perfect shifting derailleurs become imperfect derailleurs, usually after nasty weather.
If these help alleviate that by the easy application of GT85, then great.