Hardened Steel Pinion Gear Set For RC Cars 13T 14T 15T 16T For 5mm Motor Shaft Works With Steel Spur Gears Beefed Up Pro Grade Drop In Upgrade Set Of 4 For Smooth Shifting Durability And Tuned RC Performance

Hardened Steel Pinion Gear Set for 5mm RC Cars - Pack of 4

✔️ 13T,14T,15T,16T sizes; fits 5mm motor shaft; steel spur compatible

Hardened steel upgrade pinion gears are designed for 5mm motor shafts on 1/8 and 1/10 scale RC cars, pairing with steel spur gears for durable, precise gear mesh and smoother torque delivery.

✅ Hardened steel construction for long wear on 5mm shafts
✅ Includes 13T, 14T, 15T, 16T for gearing options
✅ Works with steel spur gears, not compatible with plastic/aluminum spur
✅ Kit includes 4 pinions, 4 grub screws, and 1 L Allen wrench

💡 What is a pinion gear set used for in 1/8 and 1/10 scale RC cars? It's the small gear that drives the spur, setting the drivetrain gear ratio for speed and torque. Here's how it helps: - Tuning gear ratio to fit your drive style and track conditions - Enhancing durability when paired with steel spur gears - Easy drop-in upgrade for 5mm shafts on 1/8 and 1/10 scale RC vehicles