This is a long-type pump designed for road bikes, featuring a slim-diameter cylinder that makes it easy to inflate to high pressure. The long type allows for more air to be pumped in with a single stroke. It has a Presta valve-specific nozzle, dual-action design that inflates both when pushing and pulling, and can inflate up to 120 psi. Approximate air volume per stroke: 66.9cc. Made of aluminum alloy. Includes frame mounting clamp and dust cap. Dimensions: L258 × W32 × H28mm. Weight: 118g. Please note that the color of the product may differ from the actual product depending on the type of display. Specifications, logos, and other design elements of the listed products may be changed for improvement. We are unable to answer questions regarding dimensions not published by the manufacturer or personal fit. Thank you for your understanding.