It looks great on your wrist, congrats! 
I just shook my BB gently and heard the rattling sounds as well (not the rotor noise). So I think it's normal, but if you hear differently from your AD, please let me know

I just shook my BB gently and heard the rattling sounds as well (not the rotor noise). So I think it's normal, but if you hear differently from your AD, please let me know
