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Availability:
In Stock.
Arrives
Saturday, Sep 19
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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 motorsadjustments 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.
- Waterproof Design for all-weather performance.
- Multiple Protections: Low-voltage, fail-safe, and rotor lock protection.
- MBL32 G2 features a built-in BEC with adjustable output: 6V/7.4V.
- AGE RECOMMENDATION: Not for children under 14 years.
Description
ESC Specifications Part Number: MBL32 G2 LiPo Cells: 2-3S Continuous Current: 25A Peak Current: 60A BEC Output: 6.0V/7.4V adjustable BEC Current: 3A Dimensions (L*W*H): 30*19*12mm Waterproof: Yes App Tuning: Not Supported Weight: 0.45oz (13g) Motor Specifications: Model Number: 1721 Motor Type: Sensorless Brushless Outrunner RPM/Volt: 2800KV Motor Poles: 14 Motor Slots: 12 No-Load Current (11.1V): 0.7A Max Current: 20A Motor Connectors: PH2.0 3Pin Dimensions: 16.7*20.9mm Motor Qutput Shaft: 1.7mm Motor Pinion: 0.3mod 12T Weight: 19g Waterproof: Yes
Brand: INJORA
Material: Copper, Steel, Plastic
Item Weight: 0.11 kg
Manufacturer: INJORA
Brand Name: INJORA
Model: MBL32G2-INM19-SCX24
Manufacturer: INJORA
Part Number: MBL32G2-INM19-SCX24
Item Weight: 0.11 kg
Material Type: Copper, Steel, Plastic
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Sep 19
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This system rocks! Has loads of power and really slow speeds allowing for total control on the course, its a but of a process to install and requires a stand alone receiver and transmitter, which I got from Injora and everything connected up easy no hassle or programming required but optional. The system does require a bit of a rats nest under the body and some trimming to the stock receiver mount but with the body insert removed everything should fit snug underneath, only thing is the motor is fairly loud. Probably louder than the stock motor but doesn’t bother me, all RC cars sequel and whine, as long as I am destroying the course who cares!
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Reviewed in the United States on July 23, 2026 by Luke Tietjen
MBL32 G2; Great value for the price, runs very well for light crawlers. Very small and compact. Cons; It does have a jump in speed from very slow crawling to a little more acceleration. And it would be a lot nicer if motor wires were to the side instead of straight up interfering with the body.
Reviewed in the United States on May 13, 2026 by paul blattner
My oldest burned the stock motor out in his SCX24 JKU a while back, and I have converted most of my 10 scale crawlers to brushless systems... So I figured why not. Let's see what these little outrunners can do. It required some fiddling and cutting things so this isn't a drop in solution. You will probably need some side steps and Velcro to put your RX and battery on after you do the conversion. The first one was a dud. It just shook back and forth but wouldn't spin. I double and triple checked everything. Batteries, gear mesh, transmission, diffs, driveshafts, etc. Turns out I got a bad motor. They did an advanced return so I got a new one a few days later and IT WORKED! Sent the old one back and have been trouble free since. The low speed control is unreal. I was impressed with how slow that little sucker can go by just turning the trim up. Not sure if it has FOC but nothing has stopped it yet aside from a bed sheet wrapping around one of the tires. Fit and finish were top notch. Very sexy little motor. ESC feels solid too. Has the BEC voltage step up functionality which is a pretty sweet addition. It's also fast enough for walking speed trail crawling. My son is stoked and I am too. Will definitely toss these into our other micro crawlers once their brushed systems fail. Overall it's pretty quiet. There is a frequency that makes a tiny bit of fuss but anything above and below that is smooth as silk and deadly silent. You cant even tell it's on when you trim the throttle a little bit and just watch it climb anything you point it at. I would say it's a 🍌 🍌 install in terms of difficulty. Definitely be prepared to relocate the RX and battery. Things happen, and how companies handle those things is what matters to me. I appreciate Injora getting us "back on the road" so quickly. Definitely a class act.
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Reviewed in the United States on September 14, 2025 by Marco Chavanne
This is a great little system! It performs just as expected. It is one of the smoothest systems and was perfect for the little SCX24 Injora IR60 build I put it in. I needed something with linear power and smooth delivery for such a small rig. Bigger rigs seems to have more room for error for a variety of reasons which means the smaller the rig, the more precise you need to be. This system does it for me. I love the purple color and it matches perfectly with my build. Can’t wait to use one for another build!
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Reviewed in the United States on September 10, 2025 by Bruce Bauer
Buttery smooth but i have a few gripes. They say noise at half throttle is normal but its a terrible screech sound. Only happens in reverse and im on 2s. They recommend 3s so ill have to see how that goes because other than that if im going slower or faster than that its super smooth and controlled. Also the motor screws are too short I would recommend m2x12 long with two washers to make it more of an m2x11.5. For the price though pretty good
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Reviewed in the United States on October 17, 2025 by Tanya1224
This is a fantastic value and a complete package for those wanting to go brushless but not wanting to drop $100+ to do it. I've run a few battery packs through it and have had no issues at all with functionality. I would buy this again at this price point. Pros: Very cost-effective solution. It's pretty smooth straight out of the box, mounts to stock transmission. You really don't have to do any tuning to have a solid experience with it. The ESC is smaller than the previous version, so it takes up less space. Cons: No app support, so tune-ability is going to be limited, especially on the fly. Another con would be that the wiring is a bit of a mess; there are a lot of adaptors and such, but this can be mitigated by soldering.
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Reviewed in the United States on May 8, 2025 by Matt V.
I love most of the products from this brand this is the only thing I have ever had trouble with. When running a stock battery, anything under fifty degrees fahrenheit, and the unit would refuse to work. I tested three separate units, all of which had the same problem i installed 3s on it and had the same problem i was very upset with how this product performed especially with the quality that I have found from them.We'll continue to purchase from this company.Don't waste your money on this however.
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Reviewed in the United States on June 19, 2026 by Ryan Daniels
This brushless motor combo is great for lighter crawlers. It is important to note that you need a flip flop motor mount for a LCG chassis to keep the front links from contacting the motor. The motor has plenty of power. I did notice it was a bit twitchy with a 2s battery at slow speed that was corrected with a 3s battery. Overall as with everything custom rc there was a bit of a learning curve to figure out my specific needs but the install and plug and playability of this motor esc kit was very easy.
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Reviewed in the United States on December 8, 2025 by ChrisP