Underdrive Helical Gear Set 24T 10T Alloy Steel For 1 18 RC Crawler TRX4M Upgrade Beefier Quieter Low Wear Replaces Stock Plastic Gears With Smooth Power Transfer CNC Machined Gears Increase Durability And Reduce Vibration Front Or Rear Axles

Underdrive Helical Gear Set 24T/10T for 1:18 RC Crawler, 2 gears
✔️ CNC machined 20CrMo alloy steel gears, underdrive 16.7%

Upgrade your 1:18 scale TRX4M crawler with this underdrive helical gear set. CNC machined from 20CrMo alloy steel, it replaces the stock plastic gears for smoother power transfer, reduced wear, and quieter operation in either the front or rear axles.

✅ CNC machined 20CrMo alloy steel gear set for durability
✅ Helical gears provide smoother operation and higher strength versus stock plastic
✅ 16.7% underdrive improves crawl control on front or rear axles
✅ Replaces stock plastic gears to reduce wear and vibration
✅ Fits 1:18 scale TRX4M front or rear axles, two-gear pack

💡 What is the benefit of underdrive helical gears in a 1:18 RC crawler? Underdrive gears shift power distribution for better control and longer gear life. - Handy for improved low-speed crawling and steering response - Reduces drivetrain wear and vibration under tough terrain - Quieter operation compared to stock plastics - Works with front or rear TRX4M axles