Yes, you can remove those screws if you want to. The only purpose of those
screws is to give you something to register the rear wheel against before
you secure it in place. Without them present, you just need to
deliberately put the wheel where you want it before securing it.
Bill Lindsay
When I had that type of rear end on a geared bike and pulled the axle all
the way back, the drive side of the axle tended to slip forward under load.
If you look at your frame from the rear, the rear dropouts aren't
absolutely parallel; rather they taper out a bit as you go rearward. In
that
