- 72v 2000W rear hub motor(Rear dropout :135mm) with MTX33/39 Double-wall alloy rims(disc brake )
- 48-72V Dual mode 45A 18 mosfets sine wave controller with Bag
- Multifunction SW900 Display ,with 7 speed freewheel
- our kit standard set is 72V ,but our controller voltage is 48-72V ,you also can modify the voltage on Display according to your battery volatge
- we have this 2000W Ebike kit in our USA Los Angeles warehouse
NBPOWER 135mm Dropout Rear 72V 2000W Rear Wheel Motor,
$418.00
Last updated on January 31, 2025 9:38 pm Details
| Brand Name | NBPOWER |
|---|---|
| Color | 26inch Rear |
| Manufacturer | niubo power |
| Part Number | NBP-KT-2000KW |
| Included Components | Electric Bike, Charger |
| Size | 26inch |
4 reviews for NBPOWER 135mm Dropout Rear 72V 2000W Rear Wheel Motor,
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Jesse –
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It’s a good kit by a great company. I had some issues with a couple of the parts in my kit. However, the customer service was excellent and I got speedy replacements.
I installed the kit to a Giant Talon XL Aluminum mountain bike with disk brakes. I added a few things such as 12V converter for automotive grade LED lights, a rack to mount my battery, a full frame bag, and different sprockets. I put a 52 tooth front, and 34-11 tooth rear freewheel on it. This allows low gear to pedal uphill with no electric assist, and also pedal along at a comfortable cadence up to 45 MPH. Just keep in mind you need a compatible rear derailleur and a few extra links in your chain. I would recommend similar upgrades if doing long commutes and night riding.
The power is great and on the higher settings will try to wheelie if you’re not careful. I paired mine with a Unit Pack Power 72V 40Ah battery. That battery is very big and heavy, makes the bike awkward to maneuver when I’m not on top of it, and required a beefy custom mount. Not the battery I’d recommend for everyone, but I wanted lots of range and it was cheap. The range is 40 to 120 miles. I’m a tall and heavy rider, so me on the bike with battery, tools, lunch, work clothes and water comes out to 330 lbs. I have lots of steep hills and it’s been windy lately. Even so, a charged battery gets up to 45 MPH on a slight incline very quickly with no pedaling. This style of riding averages 40 MPH will result in only about 1 mile per Ah. If I pedal along with it and average 35 MPH, it uses 11Ah to go 20 miles on those same hills, so the range is nearly doubled this way.
Now a note here, I adjusted my amperage down from 40 to 20 Amps. There was only a slight uphill acceleration loss, but the efficiency went up, and the heat buildup went way down. I tried various set points, and I recommend 20-25 Amps. I think the motor and controller will last a lot longer this way(84V for charged 72V nominal battery X 40 Amps = 3360 Watts!, way over the 2000 Watt advertised rating), and I can confirm the range for 20 Amps is improved at the same speeds.
Also note, that if you intend to use this kit over 25 MPH, I strongly suggest you have disk brakes and wear protective gear. I also recommend getting your wheels trued up perfect. if they’re wobbling and bouncing it’s going to be really bad at high speed.
I recommend this kit to anyone with a little mechanical knowledge and OK with putting in some work to get a great end result. As a motorcyclist who also cycles for exercise (since my knees aren’t the best when I run a lot), this kit is a perfect in-between which lets me commute to work, get my exercise, and have fun all at the same time.
Amazon Customer –
first off when I iniiated a return amazon ok the return and the company that sold the hub immediately responded with we cannot take the wheel back because it is now a used hub.. I have a 2000 watt hub that has poor performance of the line till you hit 9mph not good if your crawling around tight trails and the top end never exceeded 30mph when a 2000 watt motor is supposed to go from 38-43 mph.. I dicked around with these guys for 3 weeks and all they could say did you check this on your parameter settings and did you do that…yes i did…then at the very end they asked me how fast the tire would spin with no load and it achieved greater than the speculated speed…and they said that is normal and apologized for the misrepresentation. The speeds I expected were 38-40 mph with a average sized rider like myself 220pounds
they fought me on the return till I had enough.. it was not worth the aggravation at this point. please be wary when you buy from them there are good reviews and there are reviews like mine.. I WOULD NEVER BUY FROM THIS COMPANY.. There are other company’s out there in the USA that guarantee returns please use them
Amazon Customer –
Unless you know are skilled in this kind of thing, it’s not DIY, especially because it comes with vague instructions. I had to find a bike shop that does E-bike conversion to make it happen. Still, so far, it has been great. Living in a place with hills everywhere, I can get around very easily and on flat sections, I can easily go over 30 in fourth gear. I’ve been able to top out at 47 while in 5th. However, it’s best to limit usage of 5th gear because it gets very hot and drains the battery fast.
Jesse –
Besides a little tweaking to an older frame, motor and components went on easy enough. Engine rated for 72v battery but I opted for the 52v Hailong. I know a lot of people will say go for the bigger battery but I promise 52 was enough. Plenty of power and speed. 32mph was my top before I ran out of road
Customer service was great. When I first messaged the company about some questions with the settings, I expected at least a week before hearing back..try about an hour! With the time change I was pretty surprised. Super helpful.
One note I would say, when you get the large rim, look for any sharp points inside where the tube will sit. Try filing them down. Also run a couple of strips of electrical tape to help out the liner. First day I rode my bike I got a flat.