Features： 1、Constructed by high grade material which is durable, solid and wear resistant 2、Compatible with handle bar at a diameter of 31.8mm 3、Suitable for Garmin edge 200/500/800, for bryton rider 20/30/40 4、Two colors to choose 5、Computer sits slightly lower than top of handle bars giving the user ergonomic visual of the display Specification： Description: Are you having troubles in cycling without knowing the direction? Well,  our product is out for it! With it, you can install your odometer on  your bicycle handle bar and no need to stop to check the traveling  distance. What an amazing tool! Come on and go for it! Features: 1. Constructed by high grade material which is durable, solid and wear  resistant. 2. Compatible with handle bar at a diameter of 31.8mm. 3. Suitable for Garmin edge 200/500/800, for bryton rider 20/30/40. 4. Two colors to choose. 5. Computer sits slightly lower than top of  handle bars giving the user  ergonomic visual of the display. Specification: Material: Plastic Color: Black, Red (optional) Suitable: For 31.8mm handlebar diameter Fit: For Garmin Edge 200/500/800, For bryton rider 20/30/40 Package Weight: approx. 22g Quantity: 1pc Package Includes:  1 x Bicycle Bracket Holder Only Package List：