The AIRCHECKER (Art. No. 10001) is difficult to push onto the Schwalbe Clik Valve. What can I do? 10 April 2026 05:59 Updated Lightly apply silicone grease to the AIRCHECKER’s valve rubber. This will make it easier to push onto the valve. Related articles Is the SKS-AIRCHECKER compatible with Schwalbe Clik valves? Where can I find the mounting instructions/user manual for my SKS-product? What are the pressure gauge tolerances of the AIRCHECKER? Are SKS Germany products manufactured in Germany? Why is the correct tyre pressure so important?