Higher volume than the standard Maha pumps allow for faster inflation of MTB tires. Features the Snap-It Apogee pump head for easy attachment to a presta valve, and won't unthread your valve core. Schrader valve compatible. Higher volume than the standard Maha pumps allow for faster inflation of MTB tires. Features the Snap-It Apogee pump head for easy attachment to a presta valve, and won't unthread your valve core. Schrader valve compatible. MTB models have larger diameter barrels to better seat tubeless systems as well as inflate high-volume tires Barrel is angled 5 degrees towards the user for a more ergonomic and stable pumping stoke CNC machined and stiff pump barrel for smooth action and long lasting performance Swap between Presta and Schrader simply by sliding the Snap-It apogee collar back and forth