INJORA MBL32 G2 Waterproof Brushless ESC & 1721 Purple Viper Outrunner Motor for 1/24 Axial SCX24 Upgrade
Condition: New
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Availability:
Only 4 left in stock, order soon!
Arrives
Friday, Mar 20
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Features
- 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.
- 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.
- Supports PC Programming via USB programmer card. Factory settings are optimized for INJORA 1721/2204 motorsadjustments are not recommended.
- Multiple Protections: Low-voltage, fail-safe, and rotor lock protection.
- 1721 purple viper outrunner motor, equipped with a mounting plate to install on SCX24.
Brand: INJORA
Item Weight: 0.11 Kilograms
Manufacturer: INJORA
Package Dimensions : 4.33 x 2.99 x 1.46 inches; 3.88 ounces
Manufacturer recommended age : 14 years and up
Item model number : MBL32G2-INM19-SCX24
Date First Available : April 16, 2025
Manufacturer : INJORA
Best Sellers Rank: #31,611 in Toys & Games (See Top 100 in Toys & Games) #9 in Radio Control Vehicle Speed Controls
#9 in Radio Control Vehicle Speed Controls:
Customer Reviews: 4.4 4.4 out of 5 stars (74)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Mar 20
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 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. Matt V.
The media could not be loaded. 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
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 ChrisP
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 Marco Chavanne
Got one run out of the ecs and it went up in smoke. When it was running it was great. Haven't contacted customer service yet. Will change review if rectified. Was kinda surprised as I use alot of injora products with no fail.
Reviewed in the United States on July 8, 2025 by stacey keen
I’ve only ran it for about 5 mins, need more time to review. Within the first 5 mins, extremely impressed with how slow this thing crawls, very smooth. Look forward to finishing this little build, and really testing it. As of right now, it is sweet! I’ll definetly be getting another for my other scx24 down the road.
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Reviewed in the United States on December 13, 2025 by Amazon Customer
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 Tanya1224
Worked good for me on my crawler. Did not need to adjust any settings
Reviewed in the United States on December 24, 2025 by JimmyJam