Features: Detachable Design:360 degree rotation, quick disassembly design, can be installed on the steering gear, under the seat, under the ground, front fork, front tube. Innovative design: Powerful and incredibly stable hold. The bottle holder can be easily adjusted. If your rack isn't fit closely, please bend the cage to adjust. Universally Applicable: Our product fits different kinds of bicycles and it can also fit most standard size water bike water bottles. It can be bend slightly to fit different bottles. High quality material: We have adopted high quality plastic steel material and plastic, it's wear-resistant and waterproof. It's perfect for outdoor activities. Nice service:If you have any questions about our products, please feel free to contact us and we will do our best to help you. Specification: Material: plastic steel Weight: 20 g Color: Black Dimensions: 8.5 * 14 * 15 cm / 3.35 inches * 5.51 inches * 5.91 inches Installation position: Steering, under seat, underside, front fork, front tube. Applicable pipe diameter: 1.5cm ~ 4.2cm Notice: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation. includes: 1Bike Water Bottle Holder