Vardenchi Handlebar Bullet Vibration Reduction Rod Comfort And Safety Are So Important When Your On A RD 350 Style Extended Handlebar for Royal Enfield Bullet Reduces Vibrations Mild Steel SS Chrome Throttle & Thump throttleandthump 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 Royal Enfield Vibration Damper Rod Handlebar Stabilizer UNDER THE HOOD