Pinion Gear Set 5mm Shaft for RC Cars 18T 19T 20T 21T 22T Upgrade Pack Durable 5mm Pinion Teeth Easy To Install Tune Speed And Torque For Your Ready To Race Build

5mm Pinion Gear Set for RC Cars: 18-22T Upgrade Pack
✔️ Includes 18T-22T Mod1 pinions, 5mm shaft, hex key

Upgrade your RC car's gearing with a hardened steel Mod1 5mm pinion gear set. This 5mm shaft pinion kit is built for reliability on 1/8-scale builds and ready-to-run setups, helping you tune speed and torque across track conditions.

✅ 18T, 19T, 20T, 21T, 22T pinions included with set screws
✅ 5mm shaft bore matches standard 5mm motor shafts
✅ M1 pitch compatibility with common spur gears for smooth meshing
✅ Hex key and 5mm to 3.175mm shaft coupler included for flexible installs
✅ M4 screws included for secure mounting on motor

💡 What is a pinion gear set used for in RC cars?
It's a handy way to tune speed and torque by adjusting gear ratios for different tracks and models.
- Handy for dialing in acceleration and top speed across courses
- Helps match motor speed to spur gear for efficient power transfer
- Includes a hex key and a 5mm to 3.175mm (1/8 in) shaft coupler for flexible installs
- Great for both beginners and seasoned hobbyists building ready-to-run models