- Standard threaded cartridges are 3/8" x 24tpi thread to fit any brand inflator - Law prohibits ORM-D materials from shipping by air - Box includes 20 CO2 cartridges

Lezyne's easy-to-use Alloy Drive CO2 is super compact and portable. Its simple twist operation lets you control exactly how much CO2 you're putting into your tires. Plus, its aluminum construction is lightweight, durable and easy on the eyes. What's more, the Alloy Drive is Presta/Schrader compatible, comes with an anti-freeze sleeve, and works with 16g threaded cartridges. - CNC machined aluminum dispenser with brass internals - CNC control knob twists for easy and controlled inflation - Twin Slip Chuck head presses on to Presta and Schrader valves - Neoprene sleeve insulates hand from cold during discharge - Compatible with threaded CO2 cartridges - Comes with one 16g cartridge

- For use with Bontrager CO2 cartridges - Regulator design provides safe, controlled operation - Reusable cartridge insulator keeps hands protected while inflating - Compact and lightweight design is easy to store for any ride - Spring-loaded mechanism regulates airflow for both Presta and Schrader valves