Hard 48 Pitch Brushless Motor Pinions (Fits 5 m/m motor shaft)

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.