---
product_id: 570480162
title: "RampCrab Axle widening upgrade parts for TRX4M, 5mm wider on each side (Front & Rear), Brass upgrades parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy, Ultra 5"
brand: "rampcrab"
price: "€ 146.22"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/570480162-rampcrab-axle-widening-upgrade-parts-for-trx4m-5mm-wider-on
store_origin: CY
region: Cyprus
---

# 5mm wider axles each side Steering angle > 45° for ultra-responsive control High-quality brass upgrade parts RampCrab Axle widening upgrade parts for TRX4M, 5mm wider on each side (Front & Rear), Brass upgrades parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy, Ultra 5

**Brand:** rampcrab
**Price:** € 146.22
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your TRX4M game with precision and power!

## Quick Answers

- **What is this?** RampCrab Axle widening upgrade parts for TRX4M, 5mm wider on each side (Front & Rear), Brass upgrades parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy, Ultra 5 by rampcrab
- **How much does it cost?** € 146.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/570480162-rampcrab-axle-widening-upgrade-parts-for-trx4m-5mm-wider-on)

## Best For

- rampcrab enthusiasts

## Why This Product

- Trusted rampcrab brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Fit for TRX4M:** Front & rear axle compatibility for 1/18 TRX4-M Unlimited Trail Buggy & Ultra 5
- • **Complete Installation Kit:** Includes bearings, screws, grease & threadlocker for hassle-free assembly
- • **Precision Widening Upgrade:** Add 10mm total width for enhanced stability and aggressive stance
- • **Premium Brass Construction:** Boost weight and lower center of gravity for superior handling
- • **Optimized Steering Geometry:** Reset scrub radius to stock, reducing servo strain and improving response

## Overview

RampCrab's axle widening upgrade kit for the TRX4M RC crawler adds 5mm per side (10mm total) to both front and rear axles using durable brass parts. This upgrade improves steering response by restoring optimal scrub radius, reduces servo wear, and lowers the vehicle's center of gravity for enhanced stability. The kit includes all necessary hardware and lubricants for easy installation, perfectly tailored for 1/18 scale TRX4-M Unlimited Trail Buggy and Ultra 5 models.

## Description

RampCrab Axle widening upgrade parts for TRX4M, 5mm wider on each side (Front & Rear), Brass upgrades parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy, Ultra 5

## Features

- RampCrab widening upgrade kit (Ultra 5) for TRX4M can widen your TRX4m RC Car Axle by 5 mm on each side over stock, Resulting in a total width increase of 10 mm. For front and rear axles.
- Say goodbye to ruined scrub radius, excessive load on the steering servo, and diminished servo power. Reset the scrub radius back to stock, ensuring ultra-responsive steering and reducing wear on your servo.
- The upgrade parts for TRX4M Made of high-quality brass, it adds weight to your 1/18 RC car and makes the center of gravity lower. Offer all the benefits of wheel wideners of TRX4M without any of the drawbacks.
- Steering angle greater than 45 degrees.
- Come with Bearings, Screws, Grease & Threadlocker.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 11.94 x 8.89 x 1.98 cm; 91 g |
| Manufacturer recommended age | 14 months and up |
| Item model number | T4M-AXLE+5-SET-US |
| Number of Puzzle Pieces | 5 |
| Assembly Required | Yes |
| Scale | 1:18 Scale |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Alloy Steel |
| Color | Black |
| ASIN | B0CFH5Y7DJ |

## Images

![RampCrab Axle widening upgrade parts for TRX4M, 5mm wider on each side (Front & Rear), Brass upgrades parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy, Ultra 5 - Image 1](https://m.media-amazon.com/images/I/71oAOYJjQRL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Will this kit work on trx4m high trail?**
A: Yes,
This axle widening upgrade parts kit is suitable for Trx4m high trail, Bronco & Defender.

## Frequently Bought Together

- RampCrab Axle widening Upgrade Parts for TRX4M, 5mm Wider on Each Side (Front & Rear), Brass Upgrades Parts for TRX4m RC Crawler Car, Fit for 1/18 TRX4-M Unlimited Trail Buggy, Ultra 5
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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-01*