A reel unit (1) of the dual-bearing reel configured to support a spool (4), a spool shaft (5), a drag mechanism (6), and the drag adjusting lever (2). The reel unit (1) has a first cylindrical portion (11a) with a first opening (19a) and a first escape portion (19e). The first opening (19a) accommodates a first flange portion (9b) and has an edge surface with a first facing portion (19c) facing towards the outer peripheral surface of the first flange portion (9b). The first facing portion (19c) and the outer peripheral surface of the first flange portion (9b) define a gap with an axial length shorter than the axial length of the outer peripheral surface of the first flange portion (9b). The first escape portion (19e) is arranged within the inner peripheral surface of the first cylindrical portion (11a) and has a diameter larger than the first facing portion (19c).
