The screw on the top is for adjusting the calipers' position, once you have it central near as on the main mounting bolt (the one that goes through the forks front to back).
Slack it off a bit again, squeeze the pads together a la breaking with your other hand NOT the brake lever, and try tightening it again.
The screw on the top is for adjusting the calipers' position, once you have it central near as on the main mounting bolt (the one that goes through the forks front to back).
Slack it off a bit again, squeeze the pads together a la breaking with your other hand NOT the brake lever, and try tightening it again.
Tell me what happens.