CO2 pump set from Birzman which includes 1 pump head, 1 silicone grip and 3 CO2 cartridges of 16 grams each.

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 enters the tire.

The weight of the pump head is only 22 grams.

For Co2 threaded cartridges.