Features: This multi function bike computer mount features a lightweight aluminum construction and easy installation, enabling quick switching between different computers for versatile cycling needs without extra accessories. Crafted from aluminum and ABS, it offer wide compatibility with most bike computer brands and robust stability on bumpy terrains to prevent loosening or detachment. Ideal for cycling enthusiasts and mountain bikers seeking reliably, high performances accessories for their rides. Perfect for mountain trail, daily commutes, or any outdoor adventures where secure and accessible computer mounting is important. Its optimized design ensures long lasting durability and enhanced safety, making it a must have upgrade for any serious riders. Specifications: Component:Metal+ABS Size:Approx.48mm/1.88inch Color:Black Package Includes: 1pcs Cycling Computer Holder 3pcs Computer Base note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.