Originally Posted by isotopesope

1. unscrew the lockring using a lockring wrench... it is left hand threaded, so loosen it by turning to the right.

2. unscrew the cog using the chainwhip. it is standarded threaded.

if the lockring and cog seem tight, you can try penetrating bolt spray or heat it with a torch.

3. light your hair on fire with said torch and run down your street screaming. only stop to punch children's mommies in the stomach.

4. repeat last three steps in reverse order.