Beefy Steel Helical Gear Set For One Eighteen Traxxas TRX4M RC Crawler Front Overdrive 22T And 12T Rear Underdrive 24T And 10T CNC Machined 20CrMo Alloy For Sturdy Front And Rear Axle Upgrades

Heavy Duty Helical Gears For Traxxas TRX4M RC Crawler Upgrade
✔️ 40CrMo Steel Front 12T/22T And Rear 10T/24T Set

This gear set upgrades the axles on 1/18 scale Traxxas TRX-4M RC crawlers used in rock crawling and trail runs.

✅ Precision CNC machined 40CrMo alloy steel construction
✅ Front overdrive 12T/22T for 9 percent speed increase
✅ Rear underdrive 10T/24T for 16.7 percent speed drop
✅ Spiral helical teeth for smooth quiet high torque runs
✅ Includes shims for easy mesh tuning and no binding

💡 How do helical gears improve RC crawler axle performance on steep terrain? Helical gears reduce torque twist and boost climbing control when added to a mini crawler setup. - They spread load across more tooth surface than straight gears - Front and rear speed shifts create a pulling effect over obstacles - Hardened alloy steel handles brushless power without stripping - Proper shimming keeps rotation smooth after install

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