Features: Made of high quality aluminium alloy, which is durable, rust-resistant and lightweight to carry for most of water bottles and will protect your water bottle from scratching. Ergonomic design with sturdy structure helps to keep your water bottle securely in place while providing easy access for riders. Simple and practical design, easy to install the bottle holder on the bike frame by the screws, for most road bike or mountain bike which frame has hole. Bottle cage has arms that wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during your ride. If you have any questions about our products, please send us an email and we will get back to you as soon as possible within 24 hours. Specifications: Condition: 100% Brand New Type: Bike Bottle Holder Material: Aluminium Alloy Optional Color: Black, Red, Silver Quantity: 1PC Size: Approx. 15 * 7.5cm / 5.9 * 2.9inch Package Weight: Approx. 45g Suitable: For most road bike or mountain bike which frame has hole Package Include: 1 x Bike Bottle Holder Only