Overdrive Helical Differential Gear Set For Traxxas TRX4M 1 To 18 RC Crawler Bronco Defender K10 F150 Upgrades Includes 12 To 24T And 10 To 22T Gears Smoother Operation Higher Strength Quieter Less Vibration Durable Diff Gear Upgrade

Overdrive Helical Diff Gear Set for TRX4M 12/24T & 10/22T
✔️ Includes 12/24T and 10/22T sets for stronger, smoother operation

These overdrive helical diff gears upgrade the TRX4M 1/18 scale crawler axles, fitting Bronco, Defender, K10, and F-150 stock axles for improved strength, reduced vibration, and quieter operation during crawling.

✅ Helical diff gears deliver higher strength and smoother rotation than stock gears
✅ 12/24T overdrive set maintains stock speed while boosting performance
✅ 10/22T overdrive set adds about 9% faster acceleration and higher ground clearance
✅ Fits stock TRX4M 1/18 axles for Bronco, Defender, K10, and F-150

💡 What is a helical differential gear set used for in RC crawlers? This handy guide explains the core benefits and why builders install them.

- Higher strength and smoother motion reduce wear on axles
- Reduces noise and vibration for quieter crawling
- Overdrive options adjust torque and ground clearance without changing top speed
- Simple drop-in replacement for TRX4M 1/18 scale axles
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