The Muc-Off CO2 Inflator kit helps riders quickly inflate their tires and get back to riding in no time! Coming in 25g cartridge size for MTB and 16g for road inflating tires up to 30psi and 100psi from flat respectively. Each kit contains 2x cartridges, 1x compact and durable CNC-machined inflator head with soft-touch press down button which easily controls CO2 release. Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn. Cartridges are also available separately.