Featuring an innovative, self-closing mechanism, the QL2.2 hooks adjust effortlessly to fit racks with tube diameters between 8 and 16 mmno tools required. The upper hooks include a practical scale for precise and quick adjustments, eliminating the need for additional inserts and making installation even easier.Designed for durability, the Quick-Lock2.2 system supports a maximum load of 12.5 kg per side. Anti-scratch coatings on the contact points and lower rail help protect your bike rack from wear and tear.One of its standout features is its adaptabilityall system components are interchangeable and expandable. Older bicycle bags with QL2 or QL2.1 systems can be upgraded without tools, ensuring long-term usability. Like all ORTLIEB products, the Quick-Lock2.2 system is proudly made in Germany, standing for the highest quality and reliability.