With the SCHWALBE CLIK VALVE, inflating the bicycle valve is very easy - with just one click. The SCHWALBE CLIK VALVE can be operated with one hand and is very easy to use. What do you need? The valve and the associated pump head or pump head adapter. With the Clik Valve it can be clicked onto the bicycle valve with minimal force and can be easily removed again after successful pumping. contents 1 piece CLICK VALVE Conversion Kit (2 valves) from AV to SCV 3546 Schwalbe