Feature:1. High cost performance aluminum alloy material, solid and firm, convenient installation, can be installed two bottle rack durable.2. Install the water bottle adapter for riding with two water bottles on the road. The special design is convenient to pick up the bottles.3. Light weight, high strength, no deformation, corrosion resistance, clear appearance.4. Using high‑quality aluminum alloy, high hardness, oxidation resistance, wear resistance and durability.5. Simple design, light and compact, easy to carry and use, convenient and practical.How to Use:Step 1: Place the gasket on the two pipes of the cushion.Step 2: Align the screw hole of the bottle adapter with the screw hole of the washer.Step 3: Insert the hex screw and tighten the screw with a hex wrench.Step 4: Easy installation is complete.Specification:Item Type: Double Bottle Water Holder AdapterMaterial: Aluminum AlloyColor: RedWeight: Approx.135g/4.8oz Package List:1 x Double Bottle Water Holder Adapter6 x Screw 2 x Gasket 1 x Aluminum Alloy Sheet