---
product_id: 683422790
title: "MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Upgrade"
brand: "injora"
price: "$120.91"
currency: USD
in_stock: true
category: "Injora"
url: https://www.desertcart.us/products/683422790-mbl32-g2-waterproof-brushless-esc-and-1721-purple-viper-outrunner
store_origin: US
region: United States of America
---

# Brushless ESC with smooth power delivery Waterproof for all-weather use USB programmable with built-in BEC MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Upgrade

**Brand:** injora
**Price:** $120.91
**Availability:** ✅ In Stock

## Summary

> ⚡ Dominate every trail with precision power and waterproof reliability!

## Quick Answers

- **What is this?** MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Upgrade by injora
- **How much does it cost?** $120.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/683422790-mbl32-g2-waterproof-brushless-esc-and-1721-purple-viper-outrunner)

## Best For

- injora enthusiasts

## Why This Product

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

## Key Features

- • **All-Weather Ready:** Waterproof design ensures performance rain or shine
- • **Precision Power Control:** Smooth, linear low-speed torque with aggressive high-speed punch
- • **Smart Safety Protections:** Built-in low-voltage, fail-safe, and rotor lock safeguards
- • **Tailored for Micro Crawlers:** Optimized factory settings for INJORA 1721/2204 motors—plug and play
- • **Lightweight High-Speed Motor:** 1721 Purple Viper outrunner motor ideal for rigs under 700g with TRX4M transmission mount

## Overview

The INJORA MBL32 G2 Waterproof Brushless ESC paired with the 1721 Purple Viper Outrunner Motor is a high-performance upgrade designed specifically for 1/18 scale TRX4M Ascent-18 micro crawlers. Featuring a waterproof build, USB programmability, and multiple safety protections, this combo delivers smooth low-speed control and aggressive high-speed power. Ideal for rigs under 700g, it ensures quiet, reliable operation with a motor mount tailored for TRX4M transmissions.

## Description

desertcart.com: INJORA MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Upgrade : Toys & Games

## Features

- Note: Please do not flash or modify the firmware by yourself. Any damage caused by unauthorized firmware flashing or modification is not covered under INJORA warranty.
- Note: Not compatible with stock 2-in-1 Receiver & ESC.
- Note: Some noise at mid-throttle is normal for the 1721 motor due to its high-speed, open-rotor design. This does not indicate a defect.
- Note: The 1721 Purple Viper is best for rigs under 700g. For heavier rigs, we recommend the 2204 Fat Viper for stronger drag brake performance.
- The INJORA MBL32 G2, based on the AM32 firmware, is meticulously tailored for Micro crawlers and is programmable via USB programmer card. Factory settings are optimized for INJORA 1721/2204 motors—adjustments are not recommended.
- Smooth and linear at low speeds, powerful and aggressive at high speeds. Runs more quietly than brushed systems, producing virtually no noise.
- MBL32 G2 features a built-in BEC with adjustable output: 6V/7.4V.
- Waterproof Design for all-weather performance.
- Multiple Protections: Low-voltage, fail-safe, and rotor lock protection.
- 1721 purple viper outrunner motor, equipped with a mounting plate to install TRX4M transmission.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DP6JGH57 |
| Best Sellers Rank | #53,863 in Toys & Games ( See Top 100 in Toys & Games ) #13 in Radio Control Vehicle Speed Controls |
| Brand | INJORA |
| Brand Name | INJORA |
| Customer Reviews | 4.4 out of 5 stars 148 Reviews |
| Item Weight | 0.11 Kilograms |
| Manufacturer | INJORA |
| Model | MBL32-INM19-4M |
| Part Number | MBL32-INM19-4M |

## Product Details

- **Brand:** INJORA
- **Item Weight:** 0.11 Kilograms
- **Manufacturer:** INJORA

## Images

![MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Upgrade - Image 1](https://m.media-amazon.com/images/I/61f0VaaGPWL.jpg)

## Frequently Bought Together

- INJORA MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/18 TRX4M Ascent-18 Upgrade
- INJORA Battery ESC Receiver Tray Double Decker Carbon Fiber Plate for 1/18 RC Crawler TRX4M

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**Shop now:** [https://www.desertcart.us/products/683422790-mbl32-g2-waterproof-brushless-esc-and-1721-purple-viper-outrunner](https://www.desertcart.us/products/683422790-mbl32-g2-waterproof-brushless-esc-and-1721-purple-viper-outrunner)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-10*