HPI Racing Pinion Gear 9T Steel Micro RS4Tower Stock# LXBGE5 • Manufacturer Stock# 72481
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Notes from our tech department:
The pinion gear attaches to the motor and meshes with the differential gear.
Durable steel construction
One 9 Tooth Pinion Gear
Installation onto motor shaft
Length: 9mm (0.36")
The stock pinion gear is made of plastic.