PROBLEM TO BE SOLVED: To provide a replacement kit that can easily change a model to a model of generating a click sound with respect to the model of not generating the click sound, when rotation-operating a braking force adjusting knob of a braking device disposed at a spool spindle end, regarding a double bearing type reel.SOLUTION: A replacement kit of a braking force adjusting knob of the present invention is provided for use in a double bearing type reel comprising the braking force adjusting knob without a sound-emitting mechanism. The replacement kit includes: a cap-shaped braking force adjusting knob 32 screwed to a cylindrical part 26 projectingly disposed in a reel body and formed with a male screw part 26a, and having consecutive irregularities formed on an inner circumferential surface; a leaf spring 34 having an engagement part 34a resiliently engaged to the irregularities, and emitting a click sound; and a base member 36 surrounding the cylindrical part 26, and integrated with the cylindrical pa
