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Threaded CO2 cartridges for use with all Lezyne CO2 inflators.
16g CO2 cartridges are compact and suitable for high-pressure bike tyres (e.g. road and low-volume gravel).
20g CO2 cartridges contain a mid-sized charge suitable for higher volume gravel tyres or similar (Exp. 700c x 40mm / 29" x 1.5").
25g CO2 cartridges contain a more significant charge suitable for high volume mountain bike tyres.