What Our Gearhead® Experts Are Saying: "I keep a few of these CO2 cartridges in my saddle bag and toolkit. The threadless design works perfectly with my Airship 2. 0 inflator, and they’re quick, clean, and reliable—exactly what I want when I need to get rolling again fast."We all know that trailside flats and low-pressure mornings can hit at the worst time. That’s why we always keep a few Planet Bike 16g CO2 Threadless Cartridges on hand. Whether we’re commuting to work or exploring remote gravel roads, these cartridges get us aired up and moving again in seconds. Designed for use with threadless inflation systems like the Airship 2. 0, they deliver consistent performance with no fuss. The steel construction is durable and recyclable, aligning with Planet Bike’s mission to keep gear efficient and sustainable.