Problem is I can't get the rotor not to drag while having good adjustment. I've tried truing the rotor with a cresent wrench. I've got most of the wobble out but it still rubs. I've noticed the pads do not wear, or are not worn, parallel with the rotor. Maybe I need new pads? Maybe I can sand the face of the pads to be parallel with the rotor?
I've thought of buying a new rotor, or upgrading the brakes to something better. Would an upgrade help, and if so, to what?
Here's how I adjust the brakes: