This is a 17 Tooth 32 Pitch Pinion Gear for the Traxxas E-Maxx Truck.
This is the gear which is attached directly to the motor.

FEATURES: Machined Steel
Designed for a 3mm shaft

INCLUDES: One 17 tooth Pinion Gear
One 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.