MADE FOR HIT-AIR 48CC VESTS: Designed for use with Hit-Air vests requiring 48cc cartridges including the SV2 model, LV model, and newest SV3 model in all sizes. Also known as the Original Super Light Weight, these models update every few years. Please contact if you have a previous system for assistance. EASY INSTALLATION: Each 48cc cartridge installs quickly and securely—designed to replace used canisters after activation. RELIABLE SAFETY: Delivers rapid inflation in case of impact to protect motorcyclists and equestrians with a proven airbag deployment system. READY WHEN YOU NEED IT: Keep your vest functioning at its best—these cartridges are tested for fast inflation so you’re covered when it matters most. AUTHENTIC & TRUSTED: Manufactured by Hit-Air for precise fit and function—don’t risk your safety with off-brand replacements. Stay ready and ride with confidence using this single 48cc CO₂ replacement cartridge, designed exclusively for Hit-Air airbag vests. Ideal for motorcyclists and equestrians alike, this cartridge provides fast, automatic inflation to help protect you in the event of a fall or impact. It is compatible with Hit-Air vests that require 48cc cartridges, including the SV2, LV, and the newest SV3 model in all sizes—commonly known as the Original Super Light Weight series. Because vest models may update over time, we recommend contacting us if you’re unsure about compatibility. The cartridge is pre-filled, entirely metal sealed, factory-sealed, and intended for one-time use only—it is not refillable. Once activated, it triggers immediate vest inflation. Once the CO₂ has been punctured, the vest will start inflating immediately. Installation is quick and straightforward: simply screw the cartridge in by hand until secure. Most vests include a setting screw and Allen wrench for setup; replacement tools are available if needed, and the installation tool kit is reusable. A puncture near the threaded head will indicate that the cartridge has been used and should be replaced. Engineered for reliable performance in all weather, this cartridge functions in cold and wet conditions, though extreme temperatures may slightly affect inflation timing. A discharge can only take place when the key ball is released, ensuring safe handling and preventing accidental inflation. Each 48cc cartridge weighs approximately 5.07 oz and includes clear instructions. Store it in a cool, dry place—vest pockets work well—and inspect regularly for signs of corrosion or discoloration. While there is no official expiration date, replacement is recommended after five years or if any damage is observed. Please note that a storage case is not included. Once empty, the cartridge may be recyclable—check with your local collection center for proper disposal guidelines. To ensure safety and optimal function, always use authentic Hit-Air cartridges rather than off-brand alternatives.