The black disk with the notches will be the lockring. :-)
You should be able to pick up a lockring spanner at most bike shops if you think you'll need one (they are always handy to have). Or you can borrow one off a mate or at one of the drinks nights organised through this forum.
The black disk with the notches will be the lockring. :-)
You should be able to pick up a lockring spanner at most bike shops if you think you'll need one (they are always handy to have). Or you can borrow one off a mate or at one of the drinks nights organised through this forum.