Abstract: A golf club includes: a shaft (4); an adapter (3) having a shaft inserting portion (9) disposed with a shaft inserting hole (13) at one end for fixing the shaft (4) and at the other end a fixing portion (7) which is integrally disposed with the shaft inserting portion (9) with a central axis thereof deviated from a central axis of the shaft inserting portion (9) and is disposed with a concave portion (12) at least at a part of a circumferential wall surface thereof; a club head (1) including a hosel portion (2) disposed with a hosel hole (5) for inserting the adapter (3) and a through hole (10) extending from a hosel outer wall to the hosel hole (5) and located at a position corresponding to the concave portion (12) of the fixing portion (7); and a retaining means (11) passing through the through hole (10) to press the concave portion (12) so as to prevent the shaft (4) from dropping out.