Ultra light, strong, non-deformable and anti-corrosion bicycle cage suitable for most bikes, such as road bikes, mountain bike, folding bikes. Features: Polycarbonate and glass fiber bottle cage is lightweight, strong, sturdy and durable. Appropriate cage design for water bottles,convenient to hold and get the bottle. Quick and easy installation, mount these cages in less than 60 seconds. Ensures the bottle stay firmly in place when riding over rough terrain. Fits most mountain bikes, road bike and folding bike etc. Specifications: Material: Polycarbonate + glass fiber Color: Red/Black/Gray/Blue/Yellow/White/Purple (optional) Size14 * 7.3cm / 5.5 * 2.9in Weight: 30g / 1.1oz Package List: 1 * Bike Bottle Cage