The Prestacycle Prestaflator Micro CO2 Inflator Head weighs only 12 grams and has a unique feature where twisting the Co2 cartridge controls the airflow. Compatible with both Presta and Schrader with a perfect seal for no loss of Co2.

• Precision Machined alloy for long life
• To inflate, Slightly un-screw the cartridge, and inflation begins. Unscrew more for faster flow