"What Our Gearhead® Experts Are Saying: ""I’ve used this rebuild kit to keep my Airspeed CO2 Max pump in top shape, and it’s saved me from having to buy a whole new pump. The fit is precise, installation is quick, and it restores the pump’s airtight seal—essential for reliable inflation on the go.""When our ride depends on fast, reliable tire inflation, we count on the Cannondale Airspeed CO2 Max Pump Head Rebuild Kit to keep our gear performing like new. Cannondale designed this kit specifically for the Airspeed CO2 Max pump, ensuring a perfect fit and airtight function every time. Whether we’re refreshing an aging pump or performing regular maintenance, this simple rebuild saves time, money, and stress when flats strike mid-ride."