RC2 what though? Fox 36/40RC2, Suntour Auron RC2, Rockshox Totem RC2 etc etc. Knowing which fork you have may be of some use. Some manufacturers have their own tuning guides, some can be more trial and error based on the end users experience and/or riding conditions. For instance, giving a rough guide that is suitable for the Auron are going to be next to useless for a Fox 40.
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