SpeedTek RC lightweight stainless steel spool shaft, bearings (2), cups (2) & spacers (4) kit that fits Arrma Limitless V2 Model!
 
We use these spools on all of or drag racing & speed run vehicles. The high speed spool kit comes with a 8mm stainless steel spool, 8mm hardened steel drive cups, spacers, 8mm metal shielded bearings.