Dual Speed Gearbox With Servo And Internal Transmission Gears For One Tenth RC Crawler Upgrades TRX-4 TRX-6 Compatible Heavy Duty Metal Gear System And Durable Plastic Housing For Smooth Shifting

Heavy Duty 2-Speed RC Crawler Gearbox with Servo
✔️ 1/10 scale TRX-4/TRX-6 compatible, 1 piece gearbox with servo

This heavy-duty two-speed gearbox is designed for 1/10 scale RC crawlers, offering a drop-in upgrade for TRX-4 and TRX-6 chassis. It uses a plastic housing with metal gears to deliver durable performance and smooth shifting for improved crawling control.

✅ Two-speed transmission with internal gears for smooth crawl control
✅ All metal servo gear and metal internal gears for durability
✅ Plastic gearbox housing keeps weight down while staying strong
✅ Crown 45T and pinion 13T gears optimize power transfer
✅ Direct fit for 1/10 TRX-4/TRX-6 with no chassis mods
✅ Pack includes 1 piece gearbox with servo

💡 What is a dual speed gearbox with servo used for in 1/10 scale RC crawlers?
This handy upgrade is designed to give you control over crawl speed and torque in rough terrain.
- handy for switching between low gear for climbs and flats
- optimizes torque and wheel speed to reduce stall and slip
- drops directly into TRX-4/TRX-6 builds with minimal mods
- built with durable metal gears for long life