Features1Light weight, high strength, no deformation, corrosion resistance, clear appearance. 2Using highquality aluminum alloy, high hardness, oxidation resistance, wear resistance and durability. 3Install the water bottle adapter for riding with two water bottles on the road. The special design is convenient to pick up the bottles. 4Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 5High cost performance aluminum alloy material, solid and firm, convenient installation, can be installed two bottle rack durable.SpecificationItem Type: Double Water Bottle Holder AdapterMaterial: Aluminum AlloyWeight: Approx.146g/5.1ozPackage List1 xDoubleWaterBottle Holder Adapter6 x Screw2 x Gasket1 x Aluminum Alloy Sheet