The suctions mounts are awesome, I've put them on my 135 and have had it over 200km/h lap after lap. The sticky tabs are great too, stuck them on the top of my helmet and had my kart up to 160 odd and they just keep on holding.
Ive also mounted a sticky one under the front bar where the number plate sits. It gets a great view but the road flying past that fast doesnt look that hot due to compression and how fast its moving.
mounted on the front behind the front wheel. check out the tyre deforming