All pinions precision machined and stamped with the number of teeth. One 4 m/m set screw included. 2 m/m allen wrench (not included) fits the 4 m/m set screw. Can be run on cars using a 5 m/m motor shaft including Traxxas, Associated, and HPI models.
- 5mm Bore
- 25 Teeth
- 48 Pitch
