Larger capacity recommended for mountain, city and larger tire bikes. CNC machined aluminum construction with an anodized high-polish finish. Retractable flexible hose is stored inside pump barrel. Telescopic barrel provides a high volume of air with each stroke. Fits Presta and Shrader valves (Presta adaptor stored in the handle). Ultra compact and lightweight design. 21cm when folded. Mounting bracket for secure attachment to water bottle bosses. 80psi capacity. Supplied on hang card for display.