This Robinson Racing Products Absolute Pinion is a 26-tooth, 48-pitch hardened metal gear designed as a factory replacement or upgrade pinion for a wide range of electric and nitro RC vehicles. The hardening process increases wear resistance compared to standard pinions, making it a popular choice for extended drivetrain life. It includes a set screw for shaft mounting. With compatibility spanning hundreds of vehicles, check the fitment list to confirm this pinion works with your specific platform. Features: 48 pitch, 26 tooth pinion gear Hardened metal construction for increased wear resistance Includes set screw for shaft mounting Robinson Racing Absolute series 7/7/26 cs