This is a Team Integy 38-Tooth Steel Spur Gear for the Traxxas Revo 2.5 and 3.3 trucks.  A higher number of teeth on the spur gear will give you more acceleration, while a lower number of teeth will give you more top-end speed.

FEATURES
Two-piece construction with steel outer section and aluminum center

INCLUDES
Team Integy 38 Tooth Steel Spur Gear for the Traxxas Revo

REQUIRES
Installing on Revo

SPECS
Thickness: (6mm)
Diameter: (36mm)