i just got the motosport one, i think itll come with what you need, the curved adheasive mounts, and a side mount on the piciture on the site would be cool if your wearing a full face helmet. 
from how i understand it, the suction cup mount is only recommend for cars, motorcyles, or  im planning on putting in on my snowmachine. i think because its so hard to release (it would break the camera before it released) that its not recommened for anytime there a risk of you eating shit on a rail or rock or just ice. where as i would think the adheasive mount would rip off before the camera broke.