#106631 - THREADED PINION 22Tx12mm (1M) (ORANGE) NITRO 3 Genuine HPI quality spare part for easy maintenance and repairs. See below for kit reference.
#86333 HEAVY-DUTY GEAR SHAFT 5x37mm (SILVER/2pcs)
#72107 CUP JOINT 5x10x16mm (2pcs)
#76843 SPUR GEAR 43 TOOTH (1M) (2 SPEED/NITRO 3)