A durable CO2 dispenser constructed from CNC-machined aluminum, the Trigger Drive CO2 features trigger valve operation for easy inflation and a Twin Chuck head which threads onto both Presta and Schrader valves. A neoprene sleeve insulates your hand from the cold during discharge. The CO2 bike tire inflator is available with or without a 16g cartridge. CNC-machined aluminum dispenser Trigger Valve Operation for easy and controlled inflation Twin Chuck head threads onto Presta and Schrader valves The neoprene sleeve insulates hands from cold during discharge Available with one 16g CO2 or as a head only Compatible with threaded CO2 cartridges only