Planet Bike's line of CO2 replacement cartridges makes tire repairs quick and easy. - Planet Bike's CO2 cartridges work in Planet Bike inflators as well as most competitors' inflators. - Planet Bike cartridges are tested to the highest standards for durability, safety, and reliability. They contain pure CO2 with no oils or contaminants. - 100% recyclable steel cartridges - All threaded cartridges are compatible with Air Kiss, Red Zeppelin, Red Zeppelin 2 & Air Smith CO2

Portland Design Works' Ninja Pump puts the ancient arts of stealth and power in the palm of your hand. It is master of two fighting styles: Pump and CO2 inflator. It knows the way of the Schrader and Presta, and threads on to both for secure inflation. Like any highly-trained warrior, it excels under pressure, and can overcome even the most formidable 120psi tire. - Alloy construction  - Control knob easily regulates CO2 flow - Composite pump mount fits under bottle cage - Weight: 74 g (2.6 oz) - Length: 147 mm (5.75") - Lifetime PDWarranty

Genuine Innovations' AirChuck Elite offers Push-To-Inflate technology for fast, easy & controllable single-handed CO2 bicycle tire inflation! • Cartridge compatibility: 12, 16, 20, 25 gram threaded CO2 cartridges & Big Air! (not 45-gram cartridges) (each sold separately) • All metal aluminum design • Easy to use and fully controllable • Push-to-Inflate technology • Works with both Presta and Schrader valves • Includes one 16 gram and one 20 gram threaded CO2 cartridge • Weight: 16 grams

The easiest way to use CO2. - Gauge confirms proper inflation, making it easy to adjust pressure mid-ride. - Thumb trigger gives precise control. - Accommodates threaded 16g and 25g cartridges. - One 16g CO2 cartridge included.