I have used them for years on both of my SE's and an 03 Anniversary I had with no issues of vibrations. Have never heard of this before. Several friends have them too with no vibrations issues. Some people have removed the rear fender supports calling them saddle bag supports thinking they were not needed. That may cause them to vibrate.I had one, wife didn't like it because of the vibration. I sold it, but thought I would tell you about the vibration thing.