Bike lights, GPS, bicycle bell, phone and a variety kinds of useful tools can be fixed on this handlebar bracket, creating more valuable storage space.Handlebar bracket is easy to install and remove without any complex tools or instructions, which can be installed on the seat tube or handlebar.It is made of high quality aluminum alloy and carbon fiber material.The length of this carbon fiber tube is 10cm and aluminum alloy clip length is 9.3cm.It is suitable for installation handlebar diameter 31.8mm (25.4mm handlebar need to add gasket).Item Name: Handlebar BracketMaterial: Metal,Carbon FiberFeatures: Non-slip, Adjustable, Simple InstallationColor: Black, Red, BlueSize Details: Carbon Fiber Tube Length: 10cm/3.94" (Approx)Aluminum Alloy Clip:Length: 9.3cm/3.66" (Approx.)Clamp Diameter: 2.26cm-2.5cm/0.89"-0.98" (Approx.)Column Diameter: 2.12cm/0.83" (Approx.)Notes: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.Package Includes:1 x Aluminum Alloy Clip1 x Carbon Fiber Tube1 x Hexagon Wrench