Both Presta and Dunlop valves can be converted by simply swapping the valve core. There is also an adapter for Schrader valves that screws onto the top of the existing valve – this allows you to ...

These adapters thread onto the Schrader valve and can be left in place without air loss. The same is true for Dunlop valves. Packing a lifetime warranty for the pump head, the Zilch head is also ...