Originally Posted by
Bill Kapaun
The locknut is what bears inside the drop outs. The cassette is going to stay in the same place in relation to the lock nut. ERGO, axle length is moot re: cassette placement.
Sometimes you simply have to step back and take a breath, look and think for a moment. Repeat as needed.
The locknut is on the left in my picture right (on the cassette side)? So if I push/screw it in a bit the wheel will be positioned a bit to the left right?
Regarding the derailleur, I didn't touch the limit screws. All I did was loosening the cable and tightening it again.