Cyclewear Tienda De CiclismoPorta Caramañola Lezyne Flow Cage BlackThe Lezyne Flow Cage Is Constructed Of Durable, Fiber Reinforced Composite Matrix Material For High Strength, & Low Weight. X-Grip Architecture & Dual Upper Bottle Catches Hold The Bottle Securely Over Rough Terrain. The Wide Opening On The Front Allows For Easy On-The-Bike Bottle Access.Weight 48GTech: Composite MatrixComposite MatrixComposite Matrix Is A High-Strength, Fiber Reinforced Material Used In Durable Components.X-GripX-GripX-Shaped Cage Architecture, Combined With Dual, Upper-Bottle Catches, Provide 360 Degrees Of Grip, Ensuring Bottles Stay In Place.