Features: General bike gate adapter seamlessly converts stem to loan shutoffs with accuracy engineered metal construction for leak proof inflation across bicycles, pumps, and accessories. Tool costless twist on installation features oxidation resistant alloy components and compact design (2.3ounces) that stores effortlessly in saddlebags or shirt pockets during rides. Ideal for cycling families maintaining multiple bikes . Essential for roadside tire repairs, cycling vacations, and kids' bike maintenance. stable machining machined brass base withstands repeated high pressure use while oxidation resistant coating ensures years of dependable service through season proof conditions. Specifications: Substance: Metal Size: As shown Attribute: Black Technical parameters: adapted to the conversion function of the us mouth to British mouth to assure good airtightness and wear resistance Use scenario: Suitable for various cycling activities, whether it is daily commuting or long-distance travel, it can easily meet the needs of different types of bike air nozzles. Practicality: Easy to carry and install, can quickly change the nozzle type, improve inflation efficiency, suitable for users who need to frequently change the breathing nozzle Package Includes: US mouth to British mouth air compressor conversion mouth × 1 note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!