A DUAL-BEARING REEL FOR FORWARDLY RELEASING A FISHING LINE INCLUDES A REEL UNIT (1), A HANDLE (2), A SPOOL SHAFT (16), A SPOOL (12), AND A ROTARY OPERATION KNOB (42). THE REEL UNIT (1) INCLUDES A FRAME (5), A FIRST COVER (6A), A SECOND COVER (6B), AND A SHAFT SUPPORT PART (7). THE FIRST COVER (6A) HAS A RECESS (6D) AND A CIRCULAR OPENING (6E) FORMED IN THE RECESS. THE SHAFT SUPPORT PART (7) IS MOUNTED TO THE FIRST COVER (6A), AND IS RELATIVELY ROTATABLE TO THE FIRST COVER (6A). THE SHAFT SUPPORT PART (7) IS PIVOTABLE BETWEEN AN ATTACHMENT POSITION AND A DETACHMENT POSITION. THE SHAFT SUPPORT PART (7) HAS A KNOB PORTION (34A) DISPOSED ASTRIDE THE OPENING. THE SPOOL (12) IS MOUNTED TO THE SPOOL SHAFT (16) TO BE ROTATED IN CONJUNCTION WITH ROTATION OF THE HANDLE (2). THE ROTARY OPERATION KNOB (42) IS DISPOSED CONCENTRICALLY TO THE SPOOL SHAFT (16) IN A POSITION WHERE THE KNOB PORTION (34A) IS DISPOSED AXIALLY OUTSIDE AND ASTRIDE THE ROTARY OPERATION KNOB (42). (FIG.1)
