Features1Selected Material: The bike water bottle rack is made from carbon fiber composite material which provides the holder with toughness, rigidity, and wear resistant. 2Unique Dual Sided Processing Technology: This bike water bottle holder features a unique dual sided processing technique, with a partial polished luminous surface, and a partial frosted surface for a stylish, sleek look. 3Superior Extensibility, Stability, and Scratch Resistant: The water bottle holder for bikes boasts exceptional extensibility, stability and resistant to scratches. 4Universal Design: The all inclusive design of this drink bottle holder gives it strong compatibility and it is suitable for all bikes that come with water bottle holes. 5Lightweight and Portable: The bike water bottle holder is light in weight, easy to carry, and doesn't add to your travel burden, making it a convenient addition to your biking gear.SpecificationItem Type:Bike Water BottleHolderMaterial: Carbon Fiber CompositePackage List1 x Bike Water Bottle Holder2 x Screws