Store Hours: Monday thru Thursday 11am to 7pm | Friday and Saturday 11am to 5pm | Closed Sunday

CO2 Cartridges


We now sell 20 gram CO2 cartridges exclusively. It is the right size for modern tire widths.

The standard 16 gram cartridges were adopted when 700 x 23 and 26 x 2.1 were the tire standards.

The CO2 Cartridges fit all brands and models of threaded inflator heads.


Tire Size Use One 20g Cartridge
700 x 25 110 psi
700 x 28 100 psi
700 x 35 75 psi
700 x 40 50 psi

Tire Size
Use Two 20g Cartridges
26 x 2.0 65 psi
27.5 x 2.1 55 psi
27.5 x 3.0 30 psi
29 x 2.1 60 psi
29 x 2.4 40 psi

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