Is it a bullet cam Dai. I had one fixed central in the front wheel arch between the forks on the underside of the nose fairing, gave a good central view, but after a while I decided it was a bit low down.
It used two of the ratchet type plastic holders, one the adhesive pads were left >24 hours to set it held the camera no probs, but I was always wary of it giving way and fouling the front wheel so I rigged some cord to a bracket so if it did some loose it'd only drop down a few cm.
I've been meaning to look for some mounting bracket for the wing mirrors, but am put off by possible vibration.