Threaded CO2 cartridges for use with all Lezyne CO2 inflators. 20g CO2 cartridges contain a mid-sized charge suitable for higher volume gravel tires or similar (Exp. 700c x 40mm / 29" x 1.5")
- 16g: inflates 1 road tire to 120psi, inflates 1 MTB tire to 30psi
- 25g: inflates 1 MTB tire (26''x 2.5'') to 40psi or 29'' MTB tires