If you can manage to deshield it you can use a piece of paper to extract gunk from the inside. You might even be able to do this with the bearing still stuck on the post.
Also check out the full list of maintenance topics:
If you can manage to deshield it you can use a piece of paper to extract gunk from the inside. You might even be able to do this with the bearing still stuck on the post.
Also check out the full list of maintenance topics: