• ANYVALVE PUMP HEAD - Works great on presta, schrader, and dunlop valves. No leaking, no fuss, clean and simple
• HIGH VOLUME - This mini-pump is specifically designed to push more air per stroke, saving energy that you might need for riding
• 2-STAGE TECH - Goes both ways! Whether you ride on-road, off-road, or somewhere in between, the mammoth anyvalve switches easily between high volume and high pressure to suit your pumping needs