Planet Bike Threaded Co2 Cartridges 16 g are designed to provide fast, reliable inflation for cyclists on the go. Planet Bike engineered these cartridges to be compatible with most threaded CO2 inflators, allowing quick tire inflation during rides or emergencies. Each cartridge is made from 100 percent recyclable steel, offering durability and eco-friendly performance. Tested for purity and safety, these CO2 cartridges contain no oils or contaminants, ensuring smooth operation with every use. Lightweight and portable, they are an essential companion for any rider seeking convenience and reliability on the road or trail