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โ๏ธ Upgrade your TRX4M drive shaft gameโbecause your rig deserves the best!
The INJORA Steel D-Shaped Hole Drive Shaft is a precision-engineered, hardened stainless steel upgrade designed exclusively for the 1/18 TRX4M Defender Bronco. Featuring a unique D-shaped and rounded rectangle hole design, it offers a tighter connection to transmission and axles, significantly improving durability and reducing torque twist. Weighing 22g and including all necessary screws, this kit enhances both performance and realism, making it a must-have for serious RC enthusiasts seeking a reliable metal alternative to stock plastic shafts.






| ASIN | B0C7GQ6MFL |
| Age Range Description | Kid |
| Battery Types | No batteries required |
| Brand | INJORA |
| Character | Bronco |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 500 Reviews |
| Educational Objective | Develop manual skills and understanding of mechanical components |
| Indoor Outdoor Usage | Outdoor |
| Is Assembly Required | Yes |
| Item Dimensions | 25 x 25 x 51 Millimeters |
| Item Weight | 0.02 Kilograms |
| Manufacturer | INJORA |
| Manufacturer Part Number | 4M-50BK |
| Material | Steel |
| Maximum Recommended age | 144 |
| Minimum Recommended age | 14.00 |
| Model Number | 4M-50BK |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | Unpowered |
| Size | Petit |
| Theme | Vehicle |
| Unit Count | 6.0 Count |
J**Y
Solid upgrade from Injora
This is a great upgrade for the stock TRX4M - plastic to metal conversion. It's a no brainer. They're metal so they're a ton stronger than the stock plastic ones. They look way cooler than the stock ones as well. And they're heavier so it helps keep the CoG low. They're also from Injora - one of the most reputable brands in the business. Easy enough to assemble and came with all necessary hardware - a couple of set screws. Make sure when you install them, you install them "in-phase". Google that and you'll see what I mean. Installing this way will help reduce torque twist.
D**O
Top but with a quirck
Can't argue with the build quality! Definitely a must, especially if upgrading for a brusheless motor, as the stock transmission axles will break. However, be aware that these will introduce some wheel slack.
L**L
Injora
Excellent parfait ๐
B**E
good quality
Injora is great for the price! Trx4m bronco
G**.
.
Another great product from injora.
Trustpilot
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