Compact yet capable high volume pump for larger diameter tires.Cannondale Airspeed Plus MTB Bicycle Pump Features: Compact length for easy stowage in hydration pack or jersey pocket. Large barrel, high volume design makes quick work of filling larger diameter tires. TPR grip at each end ensures a firm grip, even in adverse conditions. Thread on Head Master compact head fits both Schrader and Presta equipped tubes. Self storing retractable hose protects against valve stem damage. All aluminum alloy barrels, fully serviceable seals and head parts, for a lifetime of use. Rated to 90 PSI. Water bottle boss frame mount included.