This Schumacher Racing Products 64 pitch pinion gear is made from hard alloy metal for a durable drivetrain connection between motor and spur gear. The 49 tooth count suits a range of Schumacher 1:10 touring and 1:12 pan car platforms. A set screw secures the pinion firmly to the motor shaft. It is a factory replacement part designed to Schumacher's original specifications. Features: 64 pitch tooth spacing 49 tooth count Hard alloy metal construction Set screw motor shaft retention 7/7/26 cs