It really is up to you, check out my YouTube videos for a helmet mounted and radiator mounted.
Search : Worldracer55 on YouTube and you should see a few videos.
My advice is to go to GoPro’s online store and pay the $22 for the bag of mounts. It’s totally worth it. I’ve never had a GoPro fall off in my entire career but I’ve heard of it happening. To be cautious, just tighten down the mount and check for any visible cracks. The other option is to buy the roll bar mount and drill two holes in your driver panel/fairing and bolt it on. A few people I know use that and They said they never worry about the adhesive com in apart. Just my bit