You could also try what Slip, JP and a few others have done to stop the bail from flipping over on the Nautil 7500---cut off the external trip on the reel's stem. 9 out of 10 times it flips over, it's because the roller isn't exactly vertical and the trip is stopping the bail wire from fully opening.
You'll have to flip it over by hand afterwards, but it pays off in lure savings
Threaded Mode