Color: Black Product Type: Water Bottle Cage Material: Aluminum Alloy Weight: Approx.98g Compatible Bike Type: Universal Expand without limits to soe cycg needs. Rock Brothers Bicycle Water Bottle Cage Converter, designed for long-distance riding, can expand two water bottle cages, easily soe the problem of carrying on the ride. Easy riding, enjoy the speed and passion. Precisely controlled at 98g, the aluminum alloy material is strong and lightweight, helps you fly forward. Classic oxidation process, fashionable and scratch-resistant. Anodic oxidation process, feels comfortable, strengthens corrosion resistance, not only good for use, but also looks better. One-piece forging forming, solid and stable, no loosening. Aluminum alloy one-piece forging forming, seamless connection, solid and stable, give up the annoying seams loose problem. Quick installation, simplicity is beauty. Only clamps and screws for fi, simple and quick installation, make riding simple and easy.