The bike computer mount is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This bike computer mount is a very practical and reliable for your needs. Features -Color:Black -Material:ABS, aluminum alloy,rubber -Size:5.00X3.90X2.50cm/1.97X1.53X0.98in -Size:7.50X4.10X2.70cm/2.95X1.61X1.06in -Size:3.10X2.30X1.40cm/1.22X0.90X0.55in -Size:2.80X2.30X0.90cm/1.10X0.90X0.35in -Size:3.20X3.20X0.50cm/1.26X1.26X0.20in -Size:3.20X3.20X0.50cm/1.26X1.26X0.20in - Versatile: Compatible with various types of bicycles, including mountain bikes and road bikes. - Durable: Craft from aluminum alloy, rubber and ABS materials, sturdy and durable, ensuring use. - Simple and easy to install, no need for professional tools or assistance. - Multi-functional: Can be used to install speedometers, flashlights, cellphone holders and other bike accessories. - The extension bracket design provides comfortable and convenient riding experience. Package list: 1 x bike computer extension mount 1 x bag of mounting screws 1 clip 1 x Camera mount 3 x bike computer bases