Heavy Duty CNC Aluminum Transmission Gearbox With Sixteen Point Six To One Gears Pinion For TRX4M 1 To 18 Scale RC Crawler Upgrade Black Built To Handle Tough Trails And Harsh Terrain

CNC Aluminum Transmission Gearbox for TRX4M RC Crawlers
✔️ Single unit, 16.6/1 gear ratio, aluminum CNC construction, black

This heavy duty aluminum gearbox is CNC machined for precision and durability, designed to upgrade 1/18 scale TRX4M rock crawlers. It pairs with stock and aftermarket skid plates to enhance traction and reliability on harsh trails.

✅ Part Number: 4M-55, Material: Aluminum, Color: Black
✅ Internal Gear: 16.6/1 (same as stock pinion)
✅ Weight: 32 g (1.13 oz); Package: 1 x Complete Transmission
✅ Compatible with stock and aftermarket skid plates for better work performance

💡 What is a CNC aluminum transmission gearbox used for in 1/18 scale RC crawlers? It's a handy upgrade that helps keep the drive train solid on tough trails. - handy upgrade for smoother gear engagement and longer life - reduces gear chatter and wear under harsh terrain - compatible with stock and aftermarket skid plates for easy install