BAFANG G020 48V 500W Front Wheel Ebike Conversion Kit 20" 26" 700C 28" 29" | Max Torque 65N.m | Top Speed 25mph | Fit for 97-103mm Front Dropout | Brushless Geared Quite Hub Motor Kit | Optional Battery
Condition: New
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Availability:
20 left in stock
Arrives
Aug 3 – Aug 6
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Features
- High-Torque 500W Front Hub Motor : Convert any pedal bike into an electric bike with the BAFANG FM G020.500.D 48V 500W front wheel motor. Delivers 65N.m max torque and speeds up to 25MPH (3840 KMH). The brushless geared design runs with 80% efficiency, ensuring strong, quiet acceleration. Compatible with disc brakes and V brakes, and built for touring, commuter, and mountain bikes a reliable upgrade for daily rides or long-distance touring
- Universal Fit 20"29" Wheels : Fits 20", 26", 700C, 28", and 29" wheels with 36H12G spoke lacing on MH-19 rim. Motor dropout: 1001mm (compatible with 97103mm front forks). 158.5mm outer diameter clears most fork braces and brake calipers. Simply swap your front wheel no frame cutting, no complex modifications. Bolt-on and ride
- 4 Riding Modes + Safe Brake Cut-Off : Choose your ride style - Electric Throttle, Pedal Assist (PAS), Walk Assist, or No-Motor Mode. Switch between full-electric cruising and pedal-only exercise instantly. Brake levers cut motor power safely when braking no lag, no coasting risk. Perfect for riders who want flexibility: commute without sweating, or pedal for fitness
- IPX5 Waterproof All-Weather Motor : Built for real-world conditions. IPX5 motor waterproof rating handles small rain and road spray. Operates from -20C to 45C ride through winter frost or summer heat. Noise kept under 55dB for a quiet, natural ride feel. Left axle cable exit with 250mm G9.1 connector keeps wiring clean
- Complete DIY Kit with Install Support : Everything for DIY assembly - front wheel with motor, controller, brake levers, thumb throttle, controller case, PAS sensor, 1T4 cable, extension cable. Optional add-ons: LCD display and battery. Includes installation manual. Get riding within hours, not days
Description
We are committed to let our customers enjoy the fun of riding and serve them with the concept of riding makes life better. Greenergia company has been cooperating with bafang for ten years and we are the largest distributor of bafang in China. We have stores in several famous cross-border e-commerce platforms and have served more than 10,000 consumers and sold more than 5,000 sets of motors worldwide. Bafang Electric (Suzhou) Co., Ltd. ，A -share listed enterprises，was established in 2003. It is committed to the development of core technologies such as electric assistance bicycles and other driving systems. It is our greatest motivation to see our customers change their lifestyles because they bought our products and enjoy the fun of riding. We are officially authorized shops in Bafang. All motors is genuine products .All countries have cooperative service points, join us now! BAFANG Rear Hub Motor Ebike Battery 48V13Ah Rear Battery 48V 17.5AH BAFANG Mid Drive Kit BAFANG M625 Mid Drive Kit Varstrom Mid Drive Kit BAFANG 1000W Rear Hub
Brand: BAFANG
Model Name: FM G020.500.D
Speed: 25 miles_per_hour
Voltage: 48 volts
Horsepower: 500 watts
Brand Name: BAFANG
Model Name: FM G020.500.D
Model: FM G020.500.D
Manufacturer: BAFANG
UPC: 681385428711
Unit Count: 1 Count
Warranty Description: Motor & Battery own one-year warranty. North American after-sales service center, providing technical support and maintenance
Included Components: BAFANG Front Wheel Ebike Conversion Kit
Part Number: 48V500W27.5inchDC
Speed: 25 miles_per_hour
Voltage: 48 volts
Horsepower: 500 watts
Wattage: 500 watts
Material Type: Aluminum
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Aug 3 – Aug 6
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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Top Amazon Reviews
Very good for normal driving. No problems after 100km.
Reviewed in the United States on July 12, 2026 by David Holsan
25 mph throttle only on my old Trek. Since buying it here I have searched around and done some more research. They are cracking down on these bikes, in order to be within the law - at least in my state- it can't go over 20 with a motor of 750 or less. I have a problem with the PAS system, more related to my crank, there is a minimum space you need to fit it in, which I don't have. I need to figure this out as it's really the benefit I was looking for. A throttle is more for a motorcycle, I didn't really need a "throttle" bicycle, but it is fun. There was a random piece that looked like it belonged to the PAS, but after a few videos on YouTube it looks like it was unnecessary. I have to do some filing to get it on. They mention installing torque arms, but annoyingly don't include them (it just a few pieces of metal). Looking deeper, maybe I would have went with Grin Tech's kits or JohnnyNerdOut's but all of their kits were more expensive. I just wanted to try this out on a whim, I wasn't looking to make a big investment. The only ebikes that interested me were in the $1,500 - 2,000 range, for $600 (with other parts and stuff for my bike) I got a bike that I wanted I can get to 25 MPH on a flat via a throttle. I've only had it out once, but it zipped me up all the hills I wanted. I was tempted to get a more powerful motor, but at 150 lbs, I figured I'd be ok. The install is pretty straightforward, there's a little tinkering to get things fitted just right, the box for the controller provided was a pain to try an install so I went with a bag, the larger battery affects your ability to put the box on the center post. I spend most of my time fiddling with the wires, I'd like to build a fairing with a headlight and hide them, but they look good for now. I could get a cheap handlebar bag and stick them in there. The fact that it's only a front hub, makes it the simplest of all the kits to install, it's also the least expensive, there's a little work involved but it's essentially DIY made easy. I'm only giving it 4 stars as I had to search for basic information (the largest size tire that can go on the hub (1.5 to 2.25 still need to check if bike can accept that width) and the clearance issue with regard to the PAS wasn't made clear.
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Reviewed in the United States on February 5, 2025 by Jenny Sheehan
Easy to install if you’re handy, but it’s pretty straightforward plug and play. I took more time installing the inner tube and tire than installing this. I got 24 mph on this using a 12Ah battery
Reviewed in the United States on May 3, 2026 by Nattie
I recommend a grin torque arm for peice of mind. It does not come with one but it does have torque washers that I think may be good enough but the extra peice of mind the axle will not twist and ruin your forks is invaluable to me. That said the kit is everything they claim. Motor is quiter then others and torque is excellent for a 500watt motor. The thumb throttle seems a little cheap but overall well worth the price. The rim seems much higher quality then the rim it replaced. Did not add very much weight to bike tops out at 25 governed so it's got torque still at that speed
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Reviewed in the United States on November 6, 2024 by Djt
The instructions are almost non-existent. A few youtube videos are very helpful, the ones from the seller are almost useless. Some of the hardware is not usable in my case, a 2018 Trek Dual Sport 3. For example, the screws used to mount the controller to the seat downtube are too short to engage the base. Not a big deal, a quick trip to the hardware store will fix that. It's not realistic to expect generic hardware to work on every bike ever built, so not a huge deal. One thing that is very annoying is the axle nuts. They are closed nuts, and the axle is too long on each side to allow the nuts to tighten. I took a sawzall and whacked off the closed end, now they work ok. But they made the axles! It's not like I used my original wheel or anything, still wondering about that. If they had just included regular nuts, it would not have been an issue. The biggest fail is that they did NOT INCLUDE KEYS! A key is required to remove the battery from the battery mount, so until they send me a key, I am unable to mount the battery. The instructions for the charger do not even say what color the light is when charging vs fully charged. I'm guessing that red means it's charging (when I plug the charger into the battery the light turns from green to red, but it would be nice to know for sure that red does not mean it's connected wrong or any other error.) So I have not been able to actually ride the bike with the kit installed yet, I will update this when I can ride the bike. Update - after watching a youtube video, I was able to remove the battery from the battery holder using a screwdriver, so I got the battery mounted and all cables plugged in and zip-tied into some sort of neat order. It's interesting to note that while some screws were short, the cables are not short at all! I think they'd be ok if your bike was 18 feet long, so lots of spare cable to fold up and zip tie. The power button is apparently not a power button, even though it has the same symbol as every other power button I've ever seen. It is actually a battery level check, so I guess the only way to turn the whole system off is with the button on the display. I will check that later today when I actually take it for a ride. The factory is in the process of making new keys, I should receive them in 15 to 25 days. Yay. Today's ride will be an adventure, as there are no instructions on how to actually use the system, so I guess I'll just start riding, and start hitting buttons. What could possibly go wrong? UPDATE - I just recently started riding again. Basically I rode the bike 2 or 3 times back in Nov 2024 and parked it. I have been riding it for the last week, every day, and am really enjoying it. I do have one concern; for the first few days, the pedal assist would smoothly accelerate me up to the top speed of the gear/speed I chose, which for me was 4 out of 9, with a top speed just under 13mph. I don't know whether I accidentally changed a setting or what, but now it provides pedal assist in spurts up to the same top speed. It still works fine, it's just different. I prefer the continuous, smooth power delivery. I emailed Bafang support over a week ago about this issue and have not heard back from them. A bit disappointed in their lack of response, but that doesn't change the fact that I really like this kit!
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Reviewed in the United States on October 6, 2024 by Cliff Pankonien
Easy to follow directions, works very well. Installed on my daughter's Schwinn three wheeler and she loves it. 2.5 months now and no issues.
Reviewed in the United States on September 20, 2025 by R. M.
This is my third Bafang kit and the first 2 worked great everything worked and mounted easily. This time three emails to support nothing the PAS doesn't fit my normal bottom bracket it only fits a bottom bracket that about 2% of bikes in the US have. So found the correct to mount PAS and it will not work with my controller. Another attempt to contact support still nothing. Need some help here Bafang I need a PAS left side for a square bottom bracket not a hexagon!
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Reviewed in the United States on April 11, 2026 by Amazon Customer
This has been a frustrating process, but the seller was responsive at first. The battery seemed like it wasn’t working, the level indicator did not work, and I couldn’t get anything to work. Also, they sent the wrong key for the battery. So they sent a new battery, it was better, but I still couldn’t get anything to work. I reported this to them, and after waiting 2 days with no response, I came across the QR code for the display manual. Decided maybe I should look at that. These instructions were a little hard to follow, but I eventually figured out how to adjust the power level, and boom- everything works. So the instructions are minimal, and there is no mention of how the display unit controls the operation of the motor. The front wheel motor is very strong, it will spin the tire. Don’t know how long it will last, but so far it seems like a good value.
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Reviewed in the United States on May 3, 2025 by Cncman