FWIW, I use a motorcycle camera:
https://bullethd.com/en/ that uses go-pro mounts. Handlebar vibration has not been a problem since the lens is remote and the weight is almost nothing. it's also water resistant.
Sample video here. Set YouTube to 1080p.
https://youtu.be/CYi1R23x9_A
Despite the blinking headlight, the car pulled out in front of us and killed our momentum right as we were set to go up little round top...