The Schwalbe Clik Valve Core Kit Conversion Set, paired with its compatible pump head, transforms the task of inflating bike tires into a straightforward and effortless process. This valve core kit, featuring an intuitive click system, allows users to inflate their tires using just two fingers. The pump head easily clicks onto the valve and detaches without any hassle, ensuring no air loss and preventing wear on the pump head. Intuitive click system for easy inflation Requires only two fingers to operate Secure attachment prevents air loss Durable design minimizes wear on the pump head Black set for Presta valves and silver set for Dunlop valves