Hub for lock device, and lock device

A hub for a lock device, the hub comprising:

• an outer member for rotation about a hub axis, the outer member comprising an outer opening structure;
• an inner member for rotation about the hub axis, the inner member comprising an inner opening structure;
• an intermediate member for rotation about the hub axis, the intermediate member comprising an intermediate opening structure, and being configured to be arranged between the outer member and the inner member;
• an attachment element configured to be attached to the intermediate member, the attachment element being movable between a locking position and an unlocking position;
• and
• a locking member configured to be inserted into the outer opening structure and the intermediate opening structure from an exterior outer side of the hub to engage the attachment element in the locking position, and rotationally lock the outer member and the intermediate member for common rotation about the hub axis, or into the inner opening structure and the intermediate opening structure from an exterior inner side of the hub to engage the attachment element in the locking position, and rotationally lock the inner member and the intermediate member for common rotation about the hub axis;
• wherein the hub is configured such that an engagement between the locking member and the attachment element is released by moving the attachment element from the locking position to the unlocking position.