BackpackIt is made up of many pockets and compartments, a rain cover, and a helmet holder. It is removable and can be separated from the airbag via a zipper. Its volume is expandable from 18 L to 23 L. Caution: the maximum load weight is 8 kg. AirbagIt integrates the cartridge, the mechanical trigger system, and the SAS-TEC Level 1 back protector. It also has space for a water bag. The airbag is removable and can be separated from the backpack via a zipper. Mechanical Trigger SystemIt is composed of a cap, a spring, a piston with a needle, and a multidirectional key-ball connected to a plastic buckle. When using the backpack airbag, you must attach the trigger system to the motorcycle strap. CartridgeIt contains pressurized CO₂ gas. The backpack airbag comes with a cartridge already installed and ready to use. The cartridge can be replaced easily and quickly by the user, and it is recommended to always have a spare. SAS-TEC LB-XL Back Protector Level 1Integrated into the backpack airbag, it provides improved protection using TURTLE Technology. Do not use the backpack airbag if the back protector has been removed. Motorcycle LanyardIt is installed on the motorcycle and has an adjustable length. Each time you use the airbag, you must attach the motorcycle lanyard to the plastic buckle of the mechanical trigger system. Allen Key (5 mm)Supplied by Helite, it is used to recondition your airbag after inflation.