Thank fuck for degreaser.
original content (files.catbox.moe)https://files.catbox.moe/c1guu3.jpgTearing apart an old mountain bike and this thing was black with ~20 years worth of crud. You can see a few of the teeth have been worn down to nubs. And that's one of three front chainrings.
They'll all be replaced once I convert it to an ebike, but for now it'll do it's job. I want to have it for the summer riding season and take the winter to swap it over, when everything is cold and snowed in.