Portable twin turbo pump with constant resistance from low to high pressure. Presta style nozzle with 2 cylinders for efficient air filling technology. Can be filled up to 160 psi. 1 stroke. Air volume of air volume: 31.6 cc. Aluminum alloy cylinder. Frame mounting clamp included. Dust cap included. L 6.5 x W 1.3 x H 0.9 inches (165 x 33 x 23.5 mm). About the color and size of the product color of the product may differ from the actual product depending on the type of the type of the type of your display. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Please be aware of