28T Mod1 Safe-D5 Pinion Gear (ARA311058)

This 28-tooth Mod1 Safe-D5 pinion gear is a tough steel component designed for high-performance RC vehicles. It features a precision-machined, wide-tooth profile for smooth engagement with the spur gear and reliable performance under demanding conditions.

Designed to fit a 5 mm motor shaft, the gear includes a D-shaped bore to help keep the drive engaged even if the set screw backs out, and a threaded hole for a secure M4 x 4 mm set screw. Included with the gear are the M4 x 4 mm set screw and a 3.2 mm E-clip to retain the pinion on the shaft.