Features: 1. Made of qualified aluminum alloy and plastic, solid and durable to use. 2. Widened plate design increases the supporting area to give better support for bike computer. 3. It is a extension mount holder for Garmin bike computer. 4. Easy to install, suitable for most bicycle's stems. 5. Available in 3 colors, you can choose the one you like best. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Specifications: Material: Aluminum Alloy + Plastic Color Options: Black, Red, Suitable for Garmin 1000, 820, 810, 800, 520, 510, 500, 200 Size: Approx. 7.5 x 5 x 2cm / 2.95 x 1.97 x 0.79inch Weight: Approx. 67-68g Packing List: 1 x Bike Extension Bracket 1 x Rubber Band 1 x Clip 1 x Screw 2 x Gaskets 2 x Long Screws 2 x TubesLIGHTWEIGHT: The bike extension mount is lightweight, which will add no burden to your bike. Great accessories for cycling enthusiasts. APPLICATION: Comes with a clip mount which is designed for holding sports camera, suitable for Gopro, Xiaoyi. EASY INSTALLATION: It is a extension mount holder for Garmin bike computer. Easy to install, suitable for most bicycle's stems. PERFECT DESIGN: Widened plate design increases the supporting area to give better support for bike computer. GOOD MATERIAL: This stem extension mount is made of qualified aluminum alloy and plastic, solid and durable to use.