Originally Posted by
cyccommute
What you are looking at is a
destructive removal of the freewheel. In a nutshell, you have to remove the lockring (the inner ring with the two indentations), remove the outer shell and clamp the rest of the body in a vise. The hardest part is removing the lockring. It's reverse threaded and the indentations don't give you much purchase on the ring. It can be done but it's not easy.
It's not that hard if you use a hammer and something hard and small enough to wedge into the holes. Just hammer it in the direction you want it to go, it'll come off pretty quickly.