This is the replacement 2-Speed Gear Set for the Traxxas Jato 2.5 and 3.3 trucks.

FEATURES: Steel and nylon construction, black in color

INCLUDES: 17 Tooth metal pinion gear.
29 Tooth plastic spur.

SPECS:    Height: 1/2" (12mm)
Diameter: 1-1/4" (30mm)