A word of warning to anyone with a Venge that wants to mount any action cam to the bottom of the Edge mount. Specialized did show a wind tunnel video with a GoPro Hero4 Session mounted underneath a Garmin Edge. It was a prototype mount that was used to test the effects of the GoPro on aerodynamics and wattage. The conclusion was that the GoPro required 1 watt of additional power. That was the good news. Specialized did not show any actual video from the Hero4 Session. Specialized has appeared to have abandoned the idea of mounting the action cam under the Garmin Edge mount as the vibration made the video footage unusable. This is a Specialized issue, not one of any of us here that uses or designed a mount for the Venge, which would require Specialized to re-engineer their computer mount. I am keeping the two I have in my storefront, but have added a plainly worded warning that you may experience vibration in the video footage.