The bike speedometer holder adds a lot of space for bicycle lights, stopwatches, sports cameras or mobile phones.Made of aluminum alloy, it has high strength, light weight and impact resistance.The installation position and angle can be adjusted at will, which is very firm and will not move.It is easy to install, and suitable for 32mm diameter bike handlebars, and the extension bracket can be installed in one minute.Compatible with a variety of stopwatch, such as suitable for Garmin, for Bryton, for Cateye.Item Name: Bike Extension Bracket SetMaterial: Aluminum Alloy(Frame), Plastic(Adapter)Features: Adjustable, Durable, Easy to Install, Wear-ResistantSize: 8cm x 4.2cm x 2cm/3.15" x 1.65" x 0.79" (Approx.) Notes:Due to the light and screen setting difference, the itemand 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x Aluminum Alloy Bracket1 x Base1 x Tie1 x Camera Stand3 x Stopwatch Adapters Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.