Thule Knob 527, Lockable, 4x Update

"The Thule Knob 527 is an essential accessory for anyone who wants to securely lock their tailgate bike carrier with frame holders. This lockable knob set offers you the option of securely fastening your bike to the carrier and preventing theft. With this product, cyclists can enjoy their tours without having to worry about the security of their bike. The set is specially designed for use when cycling and is suitable for all genders. The easy installation and reliable protection make the Thule Knob 527 an indispensable companion for every bike trip."