Originally Posted by
roadfix
Use a good, quality cog and use a brake. Occasional back pedaling will not back the cog off. Don't even bother using those useless bottom bracket lock rings.
I run a fixed cog on the single speed side of a flip flop hub all the time.
I've been running fixed on a freewheel hub for 20 years w/out a slip.
time was, prettymuch every roadgoing fixed was that way.