Optional steel 48 Pitch 33 Tooth Pinion Gear.
CNC Machined 4140 lightweight precision steel gear,black in color.
Reduces internal rotating mass and increases efficiency.
Case-hardened for durability.
Heavy duty 4mm set screw for brushless power.
YOU WILL RECEIVE:
One 48 pitch 33 tooth pinion gear with 4mm set screw.
Inner diameter: 1/8" (3mm)
description revised by: WP May 30, 2014