This Robinson Racing Products Absolute Pinion features 16 teeth in the 48 pitch size, made from hardened metal for increased durability and wear resistance over standard pinions. It includes a set screw for secure mounting to the motor shaft. The Absolute series is a factory pinion option designed for tight tolerances and consistent mesh with 48p spur gears. Features: 48 pitch, 16 tooth pinion gear Hardened metal construction for extended wear life Includes set screw for motor shaft mounting Compatible with standard 48p spur gears 7/7/26 cs