Luggage carrier adapter. Set with two hooks. Suitable for narrower luggage carriers. Designed for a tube diameter of 16 mm. The hooks are part of the Hook-On system for attaching individual bike bags. The two black hooks are a component of the Basil Hook-On system. If you have a Basil bag and want to replace the hooks, use the hooks from the Basil Hook-On system. The set consists of the two hooks that you can attach to the existing Hook-On system. The hooks can be adjusted to multiple positions on the system, making them suitable for many luggage carriers. The hooks are designed for a tube diameter of 16 mm.