I'm runnin' Pro-copms too, well 3 right now, lost one last weekend in Las Cruces, they are nice.
I'm comforted to know that I am not the only one to lose a shock at the trails. but was yours never even installed?
(was putting shocks on at the trailhead b/c of a last minute wrenchfest and forgot to tighten one of em.)
I run 14" Pro-Comps and they work