Features: Make from high strength aluminum alloys with stainless steels screw, and it have excellent durability. Feature elevated design, this bicycles kettles rack mount adapters allows for easy access to your water bottle. With a reinforced structure, this bicycles water cup holder adapters remain stable and secure once installed. Whether you're navigating mountain or smooth city road, the kettles brackets rack mount adapters guarantees that your water bottle stays firmly. Necessary accessory for any folding bike lover look to enhances their cycling setups without adding bulk. Specifications: Component: aluminum alloys and stainless steels screws Styles: Single Stand/Double Stand Color: Black/Red color/gold/silver Size: As Shown in the Picture Package Includes: 1Pc Folding Bike Bottle Cage adapters note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.