One Eighteen Scale RC Car Spare Parts Metal Spur Gear Drive Pinions And Diff Complete For HBX 18859A 18868 18859 18858 Pro Grade Replacement Upgrade For Heavy Duty Performance And Easy Install

Pro Grade Metal Spur Gear Set (3 pc) for HBX 1/18 Cars
✔️ Includes M1901 x2 and M1902 x1 for HBX 18859A/18868 upgrade

This metal spur gear drive pinions and diff complete set provides a robust upgrade for HBX 18859A, 18868, 18858, and 18859 1/18-scale RC cars. It offers heavy-duty performance plus easy install for more reliable power delivery.

✅ Spare parts set includes two M1901 pinions and one M1902 diff assembly
✅ Main gear: 28.5 mm dia, mould 0.5, 57T, copper color
✅ Compatible with HBX 18859A, 18868, 18858 series RC cars
✅ Ready to install for heavy duty power transfer and long life

💡 What is a metal spur gear drive pinion and diff set used for in RC cars?

The handy kit improves torque transfer and drivetrain durability for 1/18 scale models.

- It transfers power from motor to wheels for reliable drive under heavy loads - It reduces wear and slippage by using durable metal gears - It is a straightforward swap in HBX 1/18 kits for easy upgrading