Abstract: A device for locking a bicycle (1) provided with a bicycle lock (18) has a stand (2) and a member (3) fixed thereon and adapted to cooperate with the bicycle lock (18) in such a manner that the member (3), together with the bicycle lock (18) in the locking position thereof, ensures locking of the bicycle (1) to the stand (2). The stand (2) has a part (5b) along which said member (3) is displaceable for vertical adjustment. Said member (3) is adapted to engage one seat stay (16) of the bicycle (1) adjacent the bicycle lock (18) in order to hold the bicycle and has a through opening (12) which is designed for receiving the locking element (17) of the bicycle lock (18).