RE: xtra parts must buy????
02013 rear hubs
02014 steering hubs
02015 "C" hubs
those are the most likely fail parts.
If you dont use nitro fuel tubing on the drive cups, then the dog bones can wear out quickly as well.
Same goes for the drive cups which hold the center drive shaft.
The T-bone racing bumper for the volcano helps alot on the front end. Its a upgrade thats well worth the cost.