How do you replace the pump head?
1) Unscrew the grey part 2) Put the green plastic piece on based on which type of valve you're using 3) Put the black piece on top of the green piece 4) Screw the grey part back on
Small and large valves
Compatible with these types of valve: Presta / Dunlop / Schrader
Polyamide 6.6 Polypropylene Rubber