PTK8020 Steel 48P Pinion Gear (12T) is a precision machined motor gear designed for RC vehicles that use 48 pitch drivetrain systems. This product is made from hardened steel to provide strength and consistent power transfer under load. It features a 3.17 mm bore that fits standard brushed and brushless motor shafts commonly used in 1/10 scale cars. Precision cut gear teeth help ensure smooth mesh with spur gears for efficient drivetrain performance. The tooth count is engraved on the gear for quick identification when making gearing changes. This product is ideal for RC touring cars, buggies, and other vehicles running 48 pitch gearing.