Product details Brand Name: RockBros Product Features 1. Fast inflation, controllable air output Note: 1. CO2 cartridge for demonstration only. CO2 cartridge not included. Fast chargingCO2 Rapid Inflation Kit Quick inflatable kitAir Nozzle + Cylinder + Protective Cover Model SLAM-CO2HEAD is a metal protective cover Different styles same quality Apply AV/FVDirect pump without extra easy operation Hard foam protectorQuick release of CO2 gas will form frost on the surface of the protective sleeve Air cylinder can effectively prevent frostbite on fingers 360° swivel designEasily screw on the gas nozzle Inflation more effort Weighs only about 85gAir tank + Nozzle + protective tube Total weight about 85g cycling without burden Operation stepsOrdinary road bike 700C*23c can reach 110~120psi 26*1.95 mountain tires can reach 50~60PSI |