The Lezyne CNC Cage is constructed of extruded, CNC machined, and heat treated aluminum 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 ovalised mounting holes allow for better fit on small frames. Key Features: Constructed of CNC machined and heat treated aluminium Lightweight and durable design Strong aluminium ribs secure the bottle Easy on bike access Upper bottle catch to keep bottles in place Low profile design Ovalised mounting holes for better fit on small frames Weight: 42g