The utility model discloses a derailleur vibration/noise reduction spring bracket, including a pipe body, the equal fixedly connected with spring of center department of pipe body inner cavity both sides, two equal fixedly connected with movable plates in one side that the spring is relative, the top and the equal swing joint in bottom of movable plate have the movable rod, the equal swing joint in one side that the movable plate was kept away from to the movable rod has the movable block, one side fixedly connected with fly leaf of movable rod is kept away from to the movable block. The utility model discloses a set up the spring, the movable plate, the movable rod, the movable block, the fly leaf, the connecting block, the cooperation of pulley and slide rail is used, the problem of current derailleur damping spring support do not possess the noise reduction is solved, this derailleur vibration/noise reduction spring bracket, the advantage that possesses the noise reduction, in -process using can not send the strident sound, part wear out's degree has been reduced, the life of part has been prolonged, the comfort level that the user used has also been improved simultaneously, andis worthy of popularization and use.