I would add in an 1/8" drill bit to bore out the a-arms instead of getting a 3mm reamer. Works the same and should be much cheaper at your local hardware store.

get some extra 3x20mm button head screws because it is recommended to replace the 3x14mm screws in step H-10 in the manual in order to increase durability to the bulkhead.


As for spares, it's a good idea to get front/rear inner hingepins as they can bend on hard crashes. I also keep front arms, c-hubs, steering spindles, and shock towers. Preferably carbon shock towers. Also I highly recommend one of the center diff cap options. Either from Tekno or Diggity. This is supposed to help prevent stripped spurs from a loose mesh.