The Lezyne CNC alloy cage is a machined, lightweight and strong aluminium bottle cage.This Lezyne CNC alloy cage is constructed entirely of extruded aluminium. CNC machined and heat treated for a strong, lightweight design. Sturdy ribs and top catch secure wide range of bottle types and sizes. The Lezyne CNC alloy cage\'s organic design provides easy bottle retrieval and returning. Oval mounting holes allow fine tuning of position on frame. Key Features: Extruded aluminium,CNC machined,Heat treated,Lightweight design, Weight: 39g .