INJORA INJMBL32G2-INM19-4M MBL32 G2 WATERPROOF BRUSHLESS ESC & 1721 PURPLE VIPER MOTOR COMBO (TRX-4M/ASCENT-18)

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Upgrade your Traxxas TRX-4M with the Injora MBL32 G2 Waterproof Brushless ESC and 1721 Purple Viper Motor Combo. Designed specifically for micro crawler applications, this high-performance brushless system delivers smooth low-speed control, powerful torque, quiet operation, and waterproof reliability for tackling technical trails with confidence.

About the MBL32 G2 & 1721 Purple Viper Brushless Combo

Smooth Brushless Performance

The Injora MBL32 G2 Waterproof Brushless ESC paired with the 1721 Purple Viper 2800KV Sensorless Brushless Outrunner Motor provides an ideal combination of crawling precision and trail performance for the Traxxas TRX-4M platform. The efficient brushless system delivers improved throttle response, strong torque output, and quieter operation compared to traditional brushed setups.

Precision Crawl Control

Powered by advanced AM32 firmware, the MBL32 G2 ESC offers exceptional low-speed modulation for precise crawling control while maintaining strong performance at higher speeds. Optimized specifically for Injora 1721 motors, it supports 2S-3S LiPo batteries, features adjustable 6.0V/7.4V BEC output, and provides reliable power for upgraded high-performance servos.

Waterproof Trail Reliability

Built for challenging trail conditions, both the ESC and motor feature waterproof construction for dependable all-weather performance. Integrated protection features including low-voltage cutoff, fail-safe protection, and rotor lock protection help provide safe and reliable operation during every adventure.

Features

• Designed specifically for the Traxxas TRX-4M platform
• Includes Injora 1721 Purple Viper 2800KV sensorless brushless outrunner motor
• MBL32 G2 ESC powered by advanced AM32 firmware
• Ultra-smooth low-speed crawling control
• Strong torque output with high-speed capability
• Nearly silent brushless operation
• Waterproof ESC and motor construction
• Adjustable 6.0V/7.4V BEC output for upgraded servos
• Supports 2S-3S LiPo batteries
• USB programmable with included programmer card
• Low-voltage, fail-safe, and rotor lock protection
• Factory tuned for Injora 1721 brushless motors

In The Box

• (1) Injora MBL32 G2 Waterproof Brushless ESC
• (1) Injora 1721 Purple Viper 2800KV Brushless Motor
• (1) USB Programmer Card
• (1) Motor Pinion Gear (11T)
• (1) Motor Mount Hardware Set
• Assembly Hardware
• Product Manual

Specifications

ESC

• Firmware: AM32
• Battery Support: 2S-3S LiPo
• BEC Output: Adjustable 6.0V / 7.4V

Motor

• Model: 1721 Purple Viper
• Type: Sensorless Brushless Outrunner
• KV Rating: 2800KV

Tech Notes:

• Factory settings are optimized for Injora 1721 and 2204 brushless motors. Firmware modifications are not recommended.
• Supports PC programming using the included USB programmer card.
• Damage caused by unauthorized firmware flashing or modification is not covered under Injora warranty.

 

 

This product was added on 07/29/2026 by JM.