Features1Adjustable angle design, convenient to use. 2Made of fine quality aluminum alloy, which is high strength, rust-proof and light weight, and is not easy to deform. 3The base has strong hardness, and the double screw design is stable to prevents damage to the code table. 4Easy to install and remove. 5Suitable for bicycle speed meter.SpecificationProfessional holder for bicycle speed meter, the angle is adjustable, which is more convenient for you to see the screen of the Cycle computer. Features:Adjustable angle design, convenient to use. Suitable for bicycle speed meter. Made of fine quality aluminum alloy, which is high strength, rust-proof and light weight, and is not easy to deform. The base has strong hardness, and the double screw design is stable to prevents damage to the code table. Easy to install and remove. Specifications:Color: black Material: aluminum alloy Size: 130mm Item size: 70 * 33 * 36mm / 2.8 * 1.3 * 1.4in Item weight: 65g / 2.3ounce Package size: 82 * 55 * 50mm / 3.2 * 2.2 * 2.0in Package weight: 108g / 3.8ounce Packing List:1 * Bicycle Handlebar Mount 1 * Set of Installation Tools 4 * Adapter Base 2 * WrenchPackage List1 * Bicycle Handlebar Mount 1 * Set of Installation Tools 4 * Adapter Base 2 * Wrench