I rode suicide hub for about a year before buying track wheels. It was actually the shitty bearings that worried me more than the cog unscrewing. If you want to fasten it on tight you need rotafix™! me an harv failed at this, but here are the instructions http://204.73.203.34/fisso/eng/schpignone.htm
(think we woz doin' it wrong)
I rode suicide hub for about a year before buying track wheels. It was actually the shitty bearings that worried me more than the cog unscrewing. If you want to fasten it on tight you need rotafix™! me an harv failed at this, but here are the instructions http://204.73.203.34/fisso/eng/schpignone.htm
(think we woz doin' it wrong)