Feature:1. Light weight, high strength, no deformation, corrosion resistance, clear appearance.2. Using highquality aluminum alloy, high hardness, oxidation resistance, wear resistance and durability.3. Install the water bottle adapter for riding with two water bottles on the road. The special design is convenient to pick up the bottles.4. Strict quality control and quality assurance, high safety factor, can be used with peace of mind.5. High cost performance aluminum alloy material, solid and firm, convenient installation, can be installed two bottle rack durable.Specification:Item Type: Double Water Bottle Holder AdapterMaterial: Aluminum AlloyWeight: Approx.146g/5.1oz.Package List:1 x Double Water Bottle Holder Adapter6 x Screw 2 x Gasket 1 x Aluminum Alloy Sheet