Genuine Innovations: When it comes down to speed, weight and beauty, the AirChuck takes the cake. Not only is it the lightest CO2 inflator on the market, but its push-to-inflate technology allows for rapid tire inflation without any risk of lost air! Our most popular inflator, this American beauty will save you on the trail and look great while doing it.Easy to use and fully controllablePush-to-inflate technologyLightweight metal alloy designWorks with both Presta and Schrader valvesCompatible with 16 gram, 20 gram and 25 gram threaded CO2 cartridgesProduct includes (1) AirChuck inflator head, (1) threaded 16 gram CO2 cartridge and (1) threaded 20 gram CO2 cartridgeSize: 1.5 L x 0.69 W x 1.0 HInflator Head Weight: 16 grams