Compatible with the One Key System. With the One Key System accessories, you can swap out the locking cylinders and use a single key to lock all your Thule products. The ClipOn High features unique bike frame holders that are easily removable and can be reattached after loading the bikes. This solution not only makes loading bikes faster but, above all, easier. It has a rubber surface to protect the bike frames. Smart wheel quick releases allow for quick and convenient loading and unloading of bikes, keeping them securely in place. It can accommodate tire widths of up to 2.5 inches. Thanks to the high mounting position of the carrier, the taillights and license plate remain unobstructed. This product may not be universally mountable.