Overdrive Helical Gear Set 12T 22T For TRX4M Front And Rear Axles In 1 18 RC Crawler, CNC Machined 20CrMo Alloy Steel Gears For Beefier, Quieter, Smoother Performance, Replaces Stock Plastic Gears, Adds Speed And Durability
This CNC machined 20CrMo alloy gear set replaces the stock plastic gears in TRX4M front or rear axles for 1/18 scale RC crawlers. The helical design delivers greater strength and smoother operation, reducing vibration and wear for longer life.
✅ Helical 12T/22T overdrive gears for TRX4M front or rear axles
✅ CNC machined 20CrMo alloy steel for durability
✅ Replaces stock plastic gears for quieter, smoother performance
✅ Adds about 9% top speed and higher ground clearance
✅ Fits TRX4M 1/18 Bronco/Defender crawler upgrades
💡 What is an overdrive gear set for RC crawlers and how does it impact performance? An overdrive gear set changes the final drive ratio to boost speed and clearance on 1/18 scale crawlers. - increases final drive ratio to push power to wheels with less gear wear - promotes smoother and quieter operation due to helical gears - raises top speed and improves wheel articulation for better trail performance
✝️