Our iS (Integrated Storage) solution for road and gravel riders, the iS Coupe cage is a top entry cage which can be mounted anywhere on the bike. The 10 function multi-tool is securely housed behind the bottle and features a special finish for higher resistance to corrosion. The tool itself has 10 function to help you get over basic trail side disasters.#The CO2 unit is our Boundary CO2 delivery system which offers a fast and efficient method to reinflate your tire in an emergency.#The valve is protected to avoid accidental engagement and our design allows you to easily control the rate and flow of CO2. The pack contains a 16g cartridge.