recommended spares:
factory drivers list in priority.
C-hubs (alloy serpent parts are available)
dog bones
front diff (foam) front one way(rubber)
rear uprights and bearings
servo saver plastic( do not run the nut tight, use loctite or you will use many of these)
toe plates
inner hinge pins, rear
front & rear arms.
All cars break, if you are not breaking the car the result is most likly a very car friendly track. With the speeds these cars can carry a slight hit with a corner of the car can put incredible stress on some very small parts.