[QUOTE=sivat]
Originally Posted by poopncow
The only torque trying to unscrew the cups should be coming from the shell trying to spin in the cups. The only way for the shell to spin is through the friction between the spindle, bearing and shell.
Not exactly, there are other harder to explain forces involved....but they are there, and they will loosen the cups unless a certain preload is applied.
Excess my dwebbness, but is there a lip/flange on the drive side of these Miche BB?