The Micro AirBooster is an incredibly small, lightweight and easy to use CO2 pump made from aluminium and CNC machined. The pump is compatible with both auto and galus valve. The special design of the pump allows the user to regulate the air flow when filling the tyre. The pump is compatible with a standard threaded CO2 cartridge. The package also includes a durable 16g CO2 cartridge case made of silicone rubber to protect your hands from the cold when using it.* Use only Topeak CO2 cartridges. Material: CNC aluminium (Inflator) / Silicone rubber (Sleeve) Dimensions: 4.6 x 2.2 x 2.2 cm (Inflator) / 5.9 x ø2.8 cm (Sleeve) Weight: 15.5 g (Inflator) / 11 g (Sleeve) Valve: auto and galusk Included in the package: 1 x CO2 cartridge, sleeve for cartridge Art.No.: TMB-2