A twin-turbo portable pump that can pressurize from low to high pressure with a constant sense of resistance. Presta-style mouthpiece Twin-turbo technology that makes air filling more efficient with two cylinders Capable of filling up to 160psi Air volume per stroke: 31.6cc Aluminum alloy cylinder Frame mounting clamp included Dust cap included L165 x W33 x H23.5mm 90g Product Regarding the color and size of the product, the color of the product may look different from the actual product depending on the type of display. The specifications and logo designs of published products are subject to change due to improvements. Additionally, we cannot answer questions about measurements or personal fit that have not been announced by the manufacturer. Thank you for your understanding.