TKR4178 "M5" Hardened Steel Mod1 Pinion Gear w/5mm Bore (18T)

Fine-tune your RC vehicle’s speed and acceleration with this 18T MOD1 pinion gear from Tekno RC, designed for smooth power transfer and maximum drivetrain efficiency. Constructed from CNC machined, lightened, and hardened steel, it delivers exceptional durability and quiet operation under high loads. The oversized M5 set screw provides superior grip on the motor shaft, reducing the risk of slipping or stripping during intense use. Laser-etched tooth markings allow for quick identification, making gearing changes fast and easy. Compatible with 5mm shaft motors and widely used across Tekno 1/8 scale platforms including EB48 2.0/2.1, ET48 2.0, MT410, SCT410, and SCT410.3 vehicles.