Features: Enables you to easily view performance data on your computer - compatible with either Standard handlebars (using the included rubber reducer) or Oversize handlebars. Heads-up positioning provides increased safety and compatible for Cateye many cycle computers. Put you and your data ahead of the pack with this new out-front bike mount. This mount allows you to take full advantage of all of the robust data that your cycle computer provides without compromising the ride. The mount is out in front of you for easier heads-up positioning and increased safety. Compatible Devices: for Cateye CC-PA100W/500B, CC-RD310W/410DW/420DW/430DW/500B, CC-VT210W/220W, CC-MC200W, CC-GL11/51 and CC-PD100W bike computers. You can use it for Gopro All Sports camera and for Garmin VIRB X XE/for SONY/for SJ4000 5000 6000 action camera by using that camera adapter, which help you to install very easily. Please ensure your computer is fully insured before using this mount on your bike.