5Pcs 0.8M Hardened Steel Pinion Gear Set With 5mm Shaft 11T 12T 13T 14T 15T Includes M4 Screw And Hex Key For 1/10 Scale RC Cars And 540 550 Motors Built To Last Performance Upgrade For Stronger Gear Mesh

Durable 0.8M Pinion Gear Set for 1/10 RC Cars
✔️ 5-piece hardened steel pinions 11T-15T for 5mm shafts

These precision pinions are designed for 1/10 scale RC cars, trucks, crawlers, and buggies. They fit 5mm motor shafts and pair with 0.8M spur gears for smooth, quiet power transfer on tracks and trails.

✅ 5-piece set includes 11T, 12T, 13T, 14T, 15T for tuning
✅ 0.8M metric pitch with 5mm bore for precise mesh on 5mm shafts
✅ Hardened CNC-machined steel for long life under high torque
✅ Compatible with 1/10 scale models and 540/550 brushless or brushed motors
✅ Includes M4 screw and hex key for quick installation

💡 What is a pinion gear set used for in RC cars?

- A handy option for tuning torque and speed by changing gear ratios - Matches 0.8M spur gears for precise mesh on 5mm shafts - Works with both brushed and brushless 540/550 motors for reliable power