Dnamic Pro Upgrade Set( Standard dnamic to Pro) 12T pinion
by farfast.ca/3DH Hobbies
CA$111.00
Set of Mechanic Parts to update your Tron Dnamic to a Dnamic Pro. Tron Belt pusher TR550-407 Main shaft support TR690-204 CNC Herringbone-Maingear 121T TR683-121 (Pro) Motor Pinion 12T_6mm TR682-012 (Herringbone pinion)