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 Adapter Material: Plastic . Package List: 1 x Bike Bottle Cage Saddle Adapter 1 x Hex Wrench 2 x Screws 2 x Nuts 1 x Accessories