80T Spur Gear For RC Cars 10mm Bore Hardened 45 Steel Mod 1 Straight Spur Gear Replacement Part With 3.14 Pitch And 82mm Outer Diameter For A Tough Durable Differential Motor Drivetrain Upgrade

80T RC Spur Gear: 82mm OD, 10mm Bore, 3.14 Pitch
✔️ 45# steel, 20° pressure angle, 1-Mod, 10mm bore, 82mm OD, 1x gear

This straight spur gear is a high-strength replacement part for RC car drivetrains. Made from hardened 45# steel with high-frequency quenching, it delivers durable service under high-torque racing and off-road use. It fits a 10mm bore and an 82mm outer diameter for standard compatibility.

✅ 80T teeth with 3.14 mm pitch (0.12 in)
✅ Outer diameter 82 mm (3.23 in), bore 10 mm (0.39 in)
✅ Module 1, pressure angle 20°
✅ Hardened 45# steel, high-frequency quenching for wear resistance
✅ Replacement part for RC car drivetrain and differential

💡 What is a typical use case for a spur gear in RC cars and how should you pick the right one? This handy guide covers core considerations for choosing the right spur gear.

• Choose a gear with the correct pitch to mesh smoothly with your pinion
• Ensure bore size fits your motor shaft or axle perfectly
• Prefer hardened steel for long life under high-torque racing
• Check the chassis clearance to avoid interference during operation