anyone got any wheelnuts for a mistral? dont know if theyre the same as the terrano. lost a wheel at 60 on the m2 tonight. motors fine. dont know why the nuts came loose.never had it before.dont know if ive got to replace the studs.nut goes on them ok but dont know if i trust them now.can you knock the studs out in situ and replace or does the wheel assembly have to be stripped down?