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⚡ Shift into high gear with RCHUBAM’s metal gearbox — where speed meets precision!
The RCHUBAM Metal Transmission Case Gearbox is a premium CNC-machined aluminum upgrade designed for the 1/18 TRX4M Bronco Defender RC crawler. Featuring a fast 9.7:1 gear reduction ratio and durable metal internal gears with bearings, it delivers enhanced speed, torque, and stability. This plug-and-play gearbox adds weight low on the chassis for improved crawling performance, making it a must-have for serious RC enthusiasts seeking reliable, high-performance drivetrain upgrades.







































| ASIN | B0BS187KXH |
| Additional Features | Portable |
| Age Range Description | Adult |
| Are Batteries Required | No |
| Batteries are Included | No |
| Best Sellers Rank | #1,321,033 in Toys & Games ( See Top 100 in Toys & Games ) #2,065 in RC Vehicle Transmission Gearboxes |
| Brand Name | RCHUBAM |
| Color | F |
| Customer Reviews | 4.8 out of 5 stars 5 Reviews |
| Included Components | 1 |
| Is Assembly Required | No |
| Item Dimensions | 0.1 x 0.1 x 0.1 inches |
| Item Type Name | 1/18 |
| Manufacturer | RCHUBAM |
| Manufacturer Maximum Age (MONTHS) | 600 |
| Manufacturer Minimum Age (MONTHS) | 120 |
| Manufacturer Part Number | M009136 |
| Material Type | Metal |
| Model Name | 1/18 |
| Number of Items | 1 |
| Operation Mode | manual |
| Power Source | Battery Powered |
| Scale | 1:18 Scale |
| Theme | car |
| Toy Vehicle Form | Crawler |
D**7
Fits ! Works !
Adds 80g down low ! With all bearings this trxm4 rolls anywhere . I went with the N option as I was already using low gear range (plastic ) worth every penny
Trustpilot
1 week ago
2 weeks ago