This is a 21 Tooth 32 Pitch Pinion Gear for the Traxxas E-Maxx Truck. This is the gear which is attached directly to the motor.
FEATURES:Machined SteelDesigned for a 3mm shaft
INCLUDES:One 21 tooth Pinion GearOne 3 x 4mm Set Screw
REQUIRES:Assembly onto an E-Maxx truck.1.5mm hex wrench to tighten set screw.
COMMENTS:This gear is only one of two which are used on the E-Maxx dual motor set-up.