An inflation kit with HybridRocket technology combines the reliability of a mini pump with the rapid tire filling ability of a CO2 inflator in a single unit. The extra compact pump and integrated CO2 inflator lets you choose between pumping, inflating with CO2 or a combination of both. Mounts to saddle rail with included Duo Fixer which provides dual use with Topeak Duo Fixer system accessoires, including Tubi tools, CO2 inflators, lights, and fenders. A simple slide and click is all it takes to go on a safe and secure ride.