Rock Shox - mystery ferrule
Last year I upgraded my MTB fork to a Reba Race air shock with lockout. There's a red ferrule at the bottom of the right leg (opposite side to the lower air valve). If you pull it, it comes right out with a long hex-shaped pin. I can't find anything about it in the catch-all instruction leaflet. Does anyone know what it does? I've tried adjusting it both ways but haven't noticed any difference.
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