Features: Portable bike with nylon construction (2.5x23.5cm, 89.) fits effortlessly in backpacks or under bottle cages, ideal for cyclists needing inflation on long rides. Features / compatibility, 80PSI pressure, and a on for rapid inflation of bikes, sports balls, and inflatables. Designed for cycling enthusiasts, outdoor adventurers, and sports lovers requiring a compact air for tire maintenance during commutes or trail explorations. Optimized for road trips, mountain biking , camping gear preparation, or adjustments before cycling – your go to portable bike for on the go inflation. grade nylon body resists abrasion and impacts, while the ergonomic anti slip handle ensures fatigue pumping even during extended use on terrain. Specifications: Nylon Dimensions: 2.5x23.5cm (diameter x height) Properties: Black/Blue/Red Technical parameters: pressure 80PSI | adapted to US-French air nozzle | Airtightness ≥95% Use scenarios: inflatable | swimming inflatable | basketball inflatable and other occasions. Package Includes: 1 pc note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.