This Schumacher Racing Products factory replacement pinion gear features a long boss design and is machined from steel for durability. Running 48 pitch with a 17-tooth count, it is sized for use with standard 48dp spur gears in 1:10 scale Schumacher CAT platform builds. The extended boss includes a set screw collar for secure mounting to the motor shaft. A direct replacement for worn or damaged pinions in the drivetrain. Features: 48 pitch (48dp) 17-tooth count Long boss design with set screw collar Steel construction Factory Schumacher Racing Products part 7/7/26 cs