Designed for easy access, quick use, and reliable performance on mountain, gravel, and fatbike tires, requiring less force per pump stroke than other pumps EnviroLock sealing is bestin-class, which means that the internal components are protected from water and trail debris with the waterproof seal Compatible with Presta valves only Bottle cage mount included with pumps (pairs exceptionally well with Wolf Tooth BRAD Bottle Shift) Maximum pressure 70psi