CO2 pump set from Birzman which includes 1 pump head, 1 silicone grip and 1 CO2 cartridge of 16 grams.

The pump head is made of aluminum and fits both races and auto valves.

The pump is activated by pressing down on the head so you can control how much air gets into the tire.

The weight of the pump head is only 15 grams.

The pump only works with CO2 threaded cartridges.