BG-2112 Bicycle Computer Mount Road Bicycle Cycling Computer Holder Bike Stem Extension Holder for Garmin / Bryton / Cateye / IGS - Black It can secure your bike computer in front of your bike handlebars to optimize viewing And more, it also can be used for loading mobile cameras, flashlights and more Constructed of aluminum alloy, rust-proof, corrosion resistance, and heat-resistance Hexagonal tool Installation, easy to install and remove Perfectly suitable for bikes, road bikes, MTB, and so on Specifications: Material: Aluminum Alloy Size: Approx.11 x 5cm/4.33 x 1.97inch Applicable Pipe Diameter: 18-38mm Applicable Stopwatches: for IGS/for Garmin/for Bryton/for Cateye Installation Method: Hexagonal Tool Installation Features: Durable, Rust-proof, Long Lasting Package included: 1 x Rack Main Body 1 x for Garmin Bike Computer Mount Base 1 x for Bryton Bike Computer Mount Base 1 x for Cateye Bike Computer Mount Base 1 x Flashlight Fixing Strap 2 x Anti-Slip Spacers 1 x for Gopro Adapter 2 x 2/3mm Hex Keys 1 x Adapter Rack Spacer 1 x Torch Adapter Rack