Topeak Nano Airbooster L with 25g Cartridge

Simply screw the cartridge in tight and then push the head onto the valve, unscrew the cartridge half a turn to release the CO2 cartridge.Features 1pc threaded 25g CO2 cartridge and shell included.Key FeaturesMaterial CNC aluminumCompatible Presta Schrader valvesSize 2.7 x 2.8 x 1.5cm NANO AIRBOOSTER LWeight 12.6 g NANO AIRBOOSTER L 124 g with 25G cartridge and shell