31T 0.8Mod 1/8 Bore CNC Steel Pinion Gear (ARA311093)

This 31-tooth, 0.8-module CNC steel pinion gear is designed to tune the gear ratio of 1/8-scale RC drivetrains. Machined from durable steel for long-lasting performance in demanding RC conditions, it features a wide tooth profile for smooth mesh and precise CNC machining for consistent engagement. It fits a 1/8-inch (3.175 mm) motor shaft.

Laser-etched with the tooth count for quick identification, the pinion also features a precision threaded hole to secure it with the included M4 x 4 mm set screw, ensuring a secure installation during operation.