Originally Posted by
drdsanders
Daniel....older, heavier, and not as smooth. Were you talking about the x1 or it's driver? After trying out your x1 last wk I'm looking forward to seeing the difference with your x2. Wonder if those spiral gears will fit my z-car.
Too Big..Gears will not fit the case, the stock gears are bullet proof on either model, the X2 jammin gears are spiral cut, so you have to change the pinion as well, not just the ring, The internals are the same as the X1, they work fine, just do your maintenace.