This Schumacher Racing Products factory replacement pinion gear features a 22-tooth count at 48 pitch with an extended long boss hub design for secure motor shaft mounting. The long boss includes a set screw for positive retention on the motor shaft. Built from steel for durability, it is designed for use with 48dp gear trains in Schumacher 1:10 competition touring and buggy platforms. Features: 22 tooth, 48 pitch Long boss hub design Steel construction Set screw retention 7/7/26 cs