Both....... Wheelies are piss but not on trials bike, well they are but you feel like team mad style standing up! Mountain bike for wheelies, pretty much for agessssss. Its just finding the balance point and staying there Been able to manual for a long time, as the others said I cant actually remember learning but I used to be able to manual my old merlin trials bike for years. Still quite far on my bt though. See next vid.........