Features1TOUGH AND WEAR RESISTANT MATERIAL: Bike bottle cage is made of carbon fiber composite material, tough and hard, strong and wear resistant 2STABLE AND SCRATCH RESISTANT: The bike bottle holder has ductility, stability and scratch resistant. You should make a wise choice 3DOUBLE SIDED PROCESSING: Carbon fiber bike bottle holder use a unique double sided processing technology to partially polish the bright surface and partially frosted the surface 4UNIVERSAL AND PRACTICAL: The bike water bottle holder adopt a fully universal design, possess strong compatibility, suitable for all bicycles with water bottle holes 5LIGHT AND PORTABLE: Mountain bike kettle cage is lightweight and easy to carry without adding to your travel burden, you can use with confidenceSpecificationItem Type: Bike Bottle HolderMaterial: Carbon fiber composite materialPackage List1 x Bike Bottle Holder2 x Screw