Enfield Bullet Bullet Vibration Reduction Rod Royal Enfield Classic 350 How To Reduce Handlebar Vibrations A vibratory bowl feeder lines the rings up using centrifugal force and a tilted track the parts orient themselves because their center of gravity isn't at the geometric center. The mechanism was Enfield Bullet Bullet Vibration Reduction Rod Royal Enfield Classic 350 How To Reduce Handlebar Vibrations Universal RD 350 Style Black Handlebar Anti Vibration Custom Handle for Royal Enfield Classic, Bullet, Meteor