This Schumacher Racing Products factory replacement pinion gear features a long boss design and is cut to 36 teeth at 48 pitch, making it a direct fit for Schumacher 1:12 platform vehicles. The long boss extends the gear along the motor shaft for secure seating, and the hard alloy metal construction is built to handle the demands of competitive racing. A set screw locks the pinion to the motor shaft. Features: 36 tooth count, 48 pitch Long boss design for extended shaft engagement Hard alloy metal construction Set screw shaft retention 7/7/26 cs