











Brass Complete Front Rear Axle Assembly With Gear Set For 1/18 RC Crawler TRX4‑M Upgrade Heavy Duty Axle Parts Front 123.4g Rear 78g
Product Description
Full front and rear axle assembly with built‑in gear set for 1/18 RC crawler TRX4‑M. Constructed from high‑quality brass alloy. Extra brass weight lowers center of gravity for improved traction and climbing performance on rough terrain. Fully pre‑assembled including internal gears. Direct fit to replace original stock axles, no extra modification required.
Specifications
- Fit For: 1/18 RC Crawler TRX4‑M
- Material: Brass
- Weight: Front axle 123.4g, Rear axle 78g
- Front axle overall width:111.8mm
- Rear axle overall width:110.6mm
- Includes internal gear assembly
Package Includes(optional)1 × Front Complete Brass Axle (with gears) 1 × Rear Complete Brass Axle (with gears)
Notes
- RC car, tires and other accessories are not included, only axle assembly.
- Slight color deviation may occur due to lighting and monitor differences.
- Manual weighing may have minor weight error.





Answer your questions
You can check the mounting hole distances and part dimensions listed in the product images. If unsure, contact us with your RC car model name and we will help verify compatibility.
Some parts include reference images or videos. Due to the DIY nature of RC upgrades, we assume a basic understanding of RC assembly. If you need help, we’re happy to provide installation advice via email.
Orders are usually processed within 1–3 business days. Delivery time depends on your location. Most international orders arrive within 7–15 business days.
