Traxxas spur gear assemlby 38T for the T-Maxx 4WD Radio Control Monster Truck.

This is the Replacement 38 Tooth 2nd Speed Spur Gear Assembly for the Traxxas T-Maxx 4WD Radio Control Monster Truck.
This spur gear assembly fits onto the primary gear shaft in the transmission.

INCLUDED: One 38 Tooth 1st Speed Spur Gear for the Traxxas T-Maxx Truck.  One spur gear assembly.