Feature:1. SINGLE AND DOUBLE BOTTLE: Bike bottle cage saddle adapter can be expanded with 1 water bottle holder in the middle, single and double bottle can be expanded at will, it is the best choice for long distance traveling.2. MULTIPURPOSE: The bike bottle cage saddle adapter can be used for multiple purposes, and the expandable design allows you to carry a tail bag, tires, water bottle holders and other equipment.3. EASY INSTALLATION: Plastic bike bottle cage saddle adapter can be fixed to the bow with clamps and screws, fast and trouble free installation, stable and sturdy, not easy to loosen.4. FINE WORKMANSHIP: Bike bike bottle cage saddle adapter adopts unique processing technology, the texture surface is more wear resistance and sturdy, one piece forging molding, smoother riding.5. STURDY MATERIAL: Bottle cage saddle adapter is made of premium plastic material, sturdy and lasting, not easy to damage, can be used for a long time.Specification:Item Type: Bike Bottle Cage Saddle AdapterMaterial: Plastic.Package List:1 x Bike Bottle Cage Saddle Adapter1 x Hex Wrench2 x Screws2 x Nuts1 x Accessories