- With the Pulse A2 Bottle Cage Zefal offers a high quality bottle cage at a low price. It features a sleek, crafted finish and is lighter than the majority of carbon bottle cages while offering a secure grip on the bottle thanks to the thermoplastic clasp. **Features** * Lightweight: Only 26g * Elastomer Clasp: Holds the bottle and limits vibrations * Optimal Design: Easy bottle insertion and removal * Universal: Adapts to different bottle diameters **Tech Specs** * Material: Technopolymer resin frame. Flexible thermoplastic clasp * Weight: 26g