The Lezyne CNC Alloy Bottle Cage is constructed of extruded, CNC machined, and heat treated aluminium to achieve a lightweight, durable design. Strong aluminum ribs secure the bottle and provide easy on the bike access. An upper bottle catch ensures that bottles stay in place. The low profile design and ovalized mounting holes allow for better fit on small frames.Lezyne CNC Alloy Bottle Cage FeaturesCNC Construction 100% CNC-machined aluminum construction. Strong ribs secure the bottle while providing easy on-the-bike accessAdjustable Mounting Ovalized holes allow for adjustable mounting on framesLow-Profile Design Designed without integrated pump mount for lower profile to better fit small framesAdded Security: An upper bottle catch ensures bottles stay in placeWeight: 42g