A drag adjusting device for a dual-bearing reel, including a reel unit with a drag operating member configured to pivot within a range between a minimum position and a maximum position. A plate member is attached to an outer side of the reel unit. A drag restricting member is detachably coupled to the outer side surface of the plate member and between the minimum and the maximum pivot position of the drag operating member. The drag restricting member is detachably coupled to the plate member so as to contact and restrict pivotal movement of the drag operating member.[課題]對於雙軸承捲線器的牽引力調整裝置,使釣者可以容易地變更所期的牽引力操作構件的轉動範圍。[技術內容]設有牽引擺動限制構件(70),其可裝卸自如地裝設於板狀構件(80)的外側的牽引力操作構件(2)的最小位置及最大位置之間的擺動範圍內,藉由牽引力操作構件(2)的接觸來限制牽引力操作構件(2)的擺動。RD‧‧‧釣竿1‧‧‧捲線器本體2‧‧‧牽引力操作構件2a‧‧‧操作部2b‧‧‧板狀部2c‧‧‧貫通孔2d‧‧‧貫通孔3‧‧‧操作桿4‧‧‧捲筒7‧‧‧竿安裝腳部8‧‧‧桿挾持10‧‧‧框架12‧‧‧連結部13a‧‧‧第1側蓋13b‧‧‧第2側蓋14‧‧‧圓筒部64‧‧‧線束凸板65‧‧‧線束凸板70‧‧‧牽引擺動限制構件80‧‧‧板狀構件82‧‧‧貫通孔