Description: -Premium aluminum alloy 3 function bicycle computer holder mount extension bracket, adjustable, lightweight, high strength and durable. -Can be easily installed on 31.8mm/25.4mm handlebars, the mount hole is adjustable, so it can fit most of the stem. -Compact, lightweight and multifunction, easy to carry and use. -Comes with adapters for sports camera, bike computers and flashlight. -Universal fits most MTB, road, mountain bicycle's stems, compatible for Garmin, and Cateye series bike computer. Specification: Material: Aluminum alloy,Plastic Length: 12cm/4.7 inches Screw: M5x40mm Color: Black, Red for you choose Package Includes: 1 Piece Bike Computer Holder Extension Bracket (with screw fittings) 1 Piece Bike Stopwatch Mounts (for Garmin, , Cateye) 1 Piece Camera Adapter 1 Piece M5 Screw Note: Flashlight and other accessories are not included in the package. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!