Description: Made from aluminum alloy material,solid, firm and durable to use. Easy to install and quick release. This adaptor is compatible with Garmin Edge, Cateye and Bryton, come with cateye and bryton base stand. Can install on any handlebar, no special size requirement. A accessory in mounting your bike computer onto bike. Specification: Material: carbon fibre,Plastic Size: approx.157x38mm/ 6.18x1.49inch Package Includes: 1 Set Bike Computer Mount Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!