Specifications: Brand: ROCKBROS Weight: approx. 36g (without accessories) / approx. 98g (with accessories) Dimensions: approx. 85 mm x 21 mm Color: Black Material: Aluminum Alloy Installation Method: Hex key tool (Allen key) Computer Base Compatibility: Garmin / Bryton Compatible Bike Types: Includes models like the Giant TCR Advanced 10th Features: Under-Stem Installation: The under-stem mount allows the bike computer's face to align flush with the stem's face, aligning with the current trend for low aerodynamic drag. Extension Mount: The extension mount can position the computer directly in front of the bike's front end. This reduces the need to look down, increases safety, and makes it more convenient to operate. Three Types of Bases: Comes with three types of bases for Garmin/Bryton. They are interchangeable using a 2mm hex key. GoPro Adapter: Allows mounting an action camera beneath the bike computer mount to easily capture memorable moments. Compact and Lightweight: Compact and lightweight design doesn't take up too much space on the handlebar. Corrosion Resistant: Made from aluminum alloy material which is resistant to corrosion and rust, suitable for long-term use. Professional Bike Computer Mount: This mount is specially designed for the Giant TCR Advanced 10th series (and similar), enabling quick installation and is particularly user-friendly. Installation Steps: Remove the handlebar stem bolts. Assemble the mount. Install the mount and tighten the bolts securely. Installation is complete.