Posted: Sat Apr 13, 2013 6:16 pm
I removed the knob , there seems to be an adjustment available by turning the end piece with a face spanner 
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How tough is it to turn the rear shock preload knob?
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Posted: Fri Apr 26, 2013 11:52 am
got a new one coming too
Re: How tough is it to turn the rear shock preload knob?
Posted: Wed Sep 04, 2013 4:45 pm
got my new one and when turning the knob to a higher number it does lengthen, I could make a video . So I think it is a hydraulic system