This Robinson Racing Products pinion gear features 24 teeth on a 48 pitch, designed as a hardened metal replacement for electric RC vehicles running 48P drivetrains. The hardened construction is intended to provide greater wear resistance compared to standard pinions. Includes a set screw for securing the gear to the motor shaft. Features: 48 pitch, 24 tooth Hardened metal construction Includes set screw Factory replacement for 48P drivetrains 7/7/26 cs