An easy way to hold CO2 cartridges and an inflator to free up room in a bag, or ditch the bag altogether.Designed to attach to the rear of the X-Lab"s Sonic Wing and Turbo Wing carrier systemsHolds up to two CO2 cartridges and an inflator in an aerodynamic positionTire repair is a snap during training rides or out on the race courseMounting Hardware and Assembly Instructions includedTotal Weight: 16gMade in the USA