Aerodynamic cargo and hydration mounting system.Includes: Carbon Wing chassis, One Pair of X-Straps, Hardware, and InstructionsNo restrictive protrusion where the bottle enters the cage, bottles are secured with X-Grip teethDual mounting holes for saddle rail clamps; bottle cage can be adjusted close to vertical or inclinedUse a single bottle cage on the rear or one on each sideTotal Weight: 55gUse the included X-Straps to secure tubes or bags to the carrierMounting areas for up to two Gorilla Cages (Sold Separately)Use the X-Nut (Sold Separately) to secure CO2 cartridgesItem SpecificationsColorGloss Black