Originally Posted by
ddeadserious
Seriously? Installing it without any lockring, and it's remotely possible the cog will come loose? You are spewing dangerous information here, man.
If you want to run a suicide hub, there ought to be a BB lockring on it. Otherwise you're should price out a new hub... and a new set of teeth.
This has been discussed way too much here. mihlbach is right - rotafixing just the cog would very likely be fine unless you're riding brakeless and skidding around like a jackass.