Lightweight lastics material, high toughness, not easy to break, no fading. The width can be adjusted to suit different sizes of bottles, easy and labor-saving. <br/>Features:<br />Lightweight lastics material, no additional load on the bike body.<br />High toughness, not easy to deform, resistant to wear and tear.<br />One body forming, large area hollow out design is more lightweight.<br />The bottom is buckle design, use gravity and buckle reinforcement to avoid shaking.<br />Equipped with install screw, easy and simple operation to install.<br/>Specifications:<br />Brand: GUB<br />Model: G-02<br />Color: Red, Black, Blue, Fluorescent Green (optional)<br />Material: Lastics <br />Design: Large Area Hollow-Out <br />Applicable Tube Diameter: Within 80mm / 3.15in<br />Package Weight: 41g / 1.45ounces<br />Package Size: 149 * 79 * 79mm / 5.87 * 3.11 * 3.11in<br/>Packing List:<br />1 * The Kettle Holder <br />2 * Install Screw