Mod 1 38T Pinion Gear 8mm Bore Hardened Steel Motor Rack Spur Gear for RC Car Truck Gear Drive High Strength Carbon Steel Pinion With 38 Teeth and 8mm Shaft Fit for Durable Power Transfer and Fast Responsive Acceleration

38T Mod1 Pinion Gear - 8mm Bore, Hardened Steel for RC ✔️ Pack of 1, 38 Teeth Mod1 Pinion, 8mm bore, 45# carbon steel hardened

This Mod 1 pinion gear is designed for RC cars and trucks, typically used on 8mm motor shafts to transfer power to the drivetrain and deliver quick throttle response.

✅ Teeth: 38T
✅ Bore: 8 mm
✅ Material: 45# carbon steel
✅ Surface treatment: high-frequency hardened
✅ Includes grub screws for secure mounting

💡 What is a pinion gear used for in RC cars and how does material choice affect durability?

It transfers power from the motor to the drivetrain, shaping speed, torque, and wear resistance. - gear ratio effects on acceleration and top speed - 8mm shaft bore compatibility for secure mounting - material choice and heat treatment impact wear life ✝️