Description
This 21-tooth MOD1 steel pinion gear is a rugged direct-replacement designed for 5mm motor shafts, offering reliable performance when upgrading or replacing a worn pinion in your RC setup.
Made from hardened steel for durability in extreme RC conditions, it features a precise tooth profile for smooth engagement and double set screw holes to secure the gear on the motor shaft from both sides. The package includes two M4x4mm set screws for a firm, secure fit, helping maintain steady torque and responsive acceleration during high-demand runs.
