2 Pack 15 Tooth Pinion Gear 32 Pitch Hardened Steel CNC Machined Upgrade For RC Cars And Trucks 15T Pinion Compatible With TRX4 TRX6 Slash Rustler Stampede Mini Maxx XRT

Heavy-Duty 15-Tooth 32-Pitch Pinion Gear for RC Cars
✔️ 2-Pack Hardened Steel CNC Machined 15T Pinions for 3mm Shafts

These precision CNC machined pinion gears are heavy-duty upgrades for RC cars and trucks, including popular models like TRX-4, TRX-6, Slash, Rustler, Stampede, Mini Maxx and XRT. This 2-pack replaces the original 3945X and fits a 3 mm motor shaft. Each gear is crafted from hardened steel and includes a set screw for secure mounting.

✅ 15-Tooth, 32-pitch, hardened steel, CNC machined for precision
✅ Fits 3 mm motor shafts, includes set screw
✅ Replaces original part 3945X, 2-pack upgrade for multiple models
✅ Pack of 2 pins for quick RC drivetrain upgrades

💡 What is a high-quality pinion gear used for in RC cars? This handy gear drives the drivetrain by meshing with the spur gear to control speed and torque.

• Pinions determine overall drive ratio, affecting speed and torque
• 32 pitch pinions pair with standard spur gears for smooth mesh
• CNC machined hardened steel adds durability for racing
• Includes set screw for secure mounting on a 3 mm shaft