Originally Posted by Tadashi
Hmm, ok, I guess, I'll buy c-205 for a lockring then.
What about a cog wrench? Which one is good? Can I use a road bike one?
If you have 3/32nd yes.
If you have 1/8th no, but you can switch the chain.
Spending big bucks on lockring pliers you are only going to use once or twice a year is a waste. A decent single tooth wrench is more then adequate so unless you are changing the cog frequently don't bother with anything better.