An excellent way to hold your XLAB AIR STRIKE CO2 Cartridges and XLAB NANOFLATOR or SPEED CHUCK. Attaches to the rear of the XLAB SONIC WING and TURBO WING systems. Makes inflating tires a snap during training rides or out on the race course. Holds up to two XLAB AIR STRIKE CO2 Cartridges. Made in the USA. Colour Silver. Mounting Hardware and Assembly Instructions included.Inflation Kit ready for speedy repairs,Holds 2 AIR STRIKE CO2s and Inflator,Permits more room in bags,Stores items in an aerodynamic position.