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