INJORA Stainless Steel 40.3:1 Transmission Gear Set for TRX4M 1/18
Product ID: 548107639
⚙️CNC machined precision
⛰️Ultra-low 40.3:1 torque ratio
🛡️Stainless steel rust-resistant
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⛰️ Elevate your TRX4M game with torque that never quits!
The INJORA Stainless Steel 40.3:1 Transmission Gear Set is a precision CNC-machined upgrade designed specifically for the TRX4M 1/18 RC crawler. Made from rust-resistant stainless steel, it offers exceptional durability and wear resistance. Featuring an ultra-low 40.3:1 reduction ratio, this gear set maximizes torque and crawling power, making it the go-to choice for serious rock crawling enthusiasts seeking reliable, long-lasting performance.
| ASIN | B0C1CTWH9X |
| Age Range Description | Unisex Adult |
| Best Sellers Rank | #155,546 in Toys ( See Top 100 in Toys ) #41 in RC Vehicle Transmission Gears |
| Brand Name | INJORA |
| Color | Silver |
| Customer Reviews | 4.8 out of 5 stars 645 Reviews |
| Educational Objective | Develop problem-solving skills through convenient assembly and operation of mechanical systems. |
| Included Components | Gear |
| Indoor Outdoor Usage | Outdoor |
| Is Assembly Required | No |
| Item Dimensions | 10 x 7 x 2 centimeters |
| Item Type Name | RC Gear |
| Manufacturer | INJORA |
| Manufacturer Maximum Age (MONTHS) | 168 |
| Manufacturer Minimum Age (MONTHS) | 168.00 |
| Manufacturer Part Number | 4M-36 |
| Material Type | Stainless Steel |
| Model Number | 4M-36 |
| Number of Players | 1 |
| Operation Mode | Automatic |
| Power Source | Battery |
| Set Name | 1 Set |
| Size | 40.3:1 |
| Subject Character | RC Gear |
| Supported Battery Types | No batteries required |
| Theme | RC |
7**S
2 years in, still recommend.
TL;DR Only one run, so far so good. Running brushless Furitek. Update March 2025. Almost 2 years on these gears and still working great. Still highly recommend this if you want to rock crawl. Too slow for trail or general purpose driving, but a must have if you’re looking for more torque and slow speed crawling. I’ve had no issues out of these gears (or anything on my 4M for that matter) Update: April 2024, 1 year later still runs like the day I installed. I don’t drive it every day but at least a couple times per week. Would buy again. Original review: Installed in my Bronco running bearing kit and the Furitek brushless motor/esc. Gears dropped right in no fitment issues. There has been a clicking ever since installing the new motor but the plastic crawler gears from Traxxas also made a clicking. So I just run it. Worth noting though. These gears appear to be nicely machined. If you’re into rock crawling with your TRX4m, I’d suggest this as your first upgrade along with bearings second. Those two upgrades even on the stock motor and electronics make it a whole new truck. The torque of the stock motor is actually pretty good with the crawl gears. I bought these injora gears because I thought that I had stripped the plastic ones causing them to click when driving, turns out these click too. The quality of injora parts is excellent. I’m also running their brass differential covers front and rear. So far these are a 5 star all day. If anything happens, I’ll update my review.
G**J
Fait le taf
Très bonne compatibilité. Mais le trx-4m est devenu beaucoup plus bruyant. C'est dommage.
G**❤
Good
Perfect thanks
C**N
Injora!!!
La calidad de los engranajes es excelente INJORA!!! Adjunto foto del montaje!!!
T**M
Parfait pour crawling
4 étoiles, une en moins pour le bruit, car beaucoup plus bruyant que les pignons en plastique. Excellent pour le crawling,plus facile à contrôler en basse vitesse que les pignons de stock et plus de couple. Plus lent en vitesse de pointe. Donc pour le crawling : ok . ]our le trail : préférer un pignons de 16.
Trustpilot
5 days ago
2 days ago