This Robinson Racing Products pinion gear features a 47-tooth, 48-pitch configuration machined from aluminum with a hard coat anodized finish for increased surface durability. It includes a set screw for secure motor shaft mounting. The 48-pitch tooth profile is a common standard for electric RC vehicles, making this a straightforward upgrade or replacement for worn or stock plastic pinions. Features: 47 tooth, 48 pitch Hard coated aluminum construction Includes set screw 48P standard pitch compatibility 7/7/26 cs