ez control co2 pump with 2x cartridge holder

Includes 2 threaded cartridges, 1 CO2 inflator with regulation system and 1 co2 holder. The CO2 Holder works with all diameters of tube. Its rubber part ensures a good grip and doesn't scratch. Easy and accurate inflation. Pump * Z-Flow System Flow-controlled by adjusting the black piece Allows a progressive and accurate inflation. * Simple, Compact and Light: Only 20g. * Material: Aluminium * Connection: Presta / Schrader * Length: 45mm * Weight: 20g (without cartridge) * Type of Cartridge: 12g, 16g and 25g threaded Mount * Material: Rubber * Weight: 15g * Mounting: Universal mounting system on seat post or frame for 2 threaded cartridges and 1 CO2 Inflator