1) What does this little screw adjust?
IMG_20240427_181750065~2 by
warren t., on Flickr
2) When I look down at the brake caliper, I can see that one of the brake shoes is more forward in position then the other one. Also, one brake shoe mounts higher up in the slot than, and the other is mounted lower in the other slot when both are adjusted correctly on the rim. How is this corrected? Or, what is out of adjustment? Brake functionality is fine though, so I don't mind riding it as it is, unless it's a safety issue.
Thanks.