Features1SINGLE 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. 2MULTIPURPOSE: 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. 3EASY 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. 4FINE 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. 5STURDY MATERIAL: Bottle cage saddle adapter is made of plastic material, sturdy and lasting, not easy to damage, can be used for a long time.SpecificationItem Type: BikeBottleCageSaddleAdapterMaterial: PlasticPackage List1 xBikeBottleCageSaddleAdapter1 x Hex Wrench2 x Screws2 x Nuts1 x Accessories