TRAXXAS TRX4 TRAIL CRAWLER Steel 15T Pinion Gear -2pc set - GPM TRX4015T  [TRX4015T]

That includes :

3*3 Screw Shaft-1PC

Product major function & usage :

Connect with the engine and carry the motor to work

produced by harden metal #45, better and durable to execute more smooth performance.

center space : 3.175mm
enamel distance : 0.8mm
Pitch : 32
Enamel : 15T