A jointed bar lock having a lock body and a jointed bar hoop which has a first end and a second end, said first end being permanently connected to the lock body and said second end being connectable to the lock body at a latching region of the lock body, with a bolt provided at the lock body selectively being movable into a latched position in which the bolt engages it the second end of the jointed bar hoop when it is connected to the lock body or is movable into a release position in which the second end of the jointed bar hoop is released for a removal from the lock body. The lock has an actuation device which is coupled to the bolt via a connection section and by which the bolt is movable from the latched position, into which the bolt is biased, into the release position. The lock body accommodates a combination locking mechanism to selectively block or release the bolt. The actuation device is arranged disposed opposite the combination locking mechanism with respect to the latching region of the lock body.