Tag Archives: bike conversion kit - Page 4

Interested In Buy This Hub Motor

Posted by on March 31, 2025 Comments Off on Interested In Buy This Hub Motor

Q: I am very happy in viewing your electric bike rear direct drive with
26 inch hub motor wheel item ID # LBM26481500RN. My e-bike setup is 60 volts. Do you
manufacture 26×2.0 inch wheel with 60 volts 1500W rear direct drive
hub motors?
Secondly, also can you fit the bike motor in a fully BLACK rim without any
silver around the rim so it can match with my front wheel because I
use hydraulic disc brakes?
If there is anything that you need to ask me that I am missing, please
feel free to ask, that the purchase moves smoothly and correctly.

A: This 26 inch 48V 1500W rear hub motor wheel can work at 60V.Also,we can spoke this hub motor with all black color rim.

Q: Just a few more questions before I buy, because everything needs to be correct.
Can this bike motor fit any size frame bike?
Is it suitable for regenerative braking?
Does it have three phase hall sensors?
Can it fit 8 gear cogs? Which I am using at the moment with my old motor.
Please tell me the total length of the motor axle from end to end
because I’m using a rear rack ?

A: This 26 inch bike motor is fit for 135mm rear dropout. If your motor controller with regenerative braking function, will have it. It’s three phase with three hall sensors. One cable with 9 wires: heavy yellow, heavy blue, heavy green wires are motor phase wires. Thin red +5V, thin black / GND. Thin yellow, blue & green three wires are connected to three hall sensor.
It can fit for max 7 speed for 135mm dropout. If your frame can be larger, about 140mm,install 8 speed on this rear hub motor is no problem.
Total length of this shaft is 210mm.

missing thread of hub motor shaft

Posted by on March 31, 2025 Comments Off on missing thread of hub motor shaft

It took a little work since spacing was tight, but I get the hub motor wheel inside of my forks. When I went to put the nuts on the axle, I saw that the bolt on the wired side is cracked. It is missing almost all of its thread which means I cannot but the nut on to hold the wheel in place. Essentially, I cannot use it at all. Please see the picture of the cracked bolt.

I was wondering if you know how I am able to repair this hub motor ‘s shaft or if I can somehow get some help on this? I spent a lot to get it all here and it is a little upsetting that a small chip is preventing me from using it at all. I’m not asking for a whole new electric hub motor wheel to be sent, just hoping I can get this bike conversion kit up and hub motor running. Please advise.

If possible, add some washers,then can solve it.

Do it as below:
Disconnect that white big plug,then can take off screw nut and add some washers into.
*. Look for a pin
*. There are five wires in this white big plug
*. Press each wire’ s pin, then the pin will out of white big plug.

I had thought I got bike conversion kit to work but there just is not enough room to to secure the nut properly. Please let me know what will be the best way to have this resolved. Sorry for the inconvenience on this.

Add washer or torque arm or lock washer.

BMX 20 inch 48V 1500W rear hub motor electric bike conversion kit

Posted by on March 31, 2025 Comments Off on BMX 20 inch 48V 1500W rear hub motor electric bike conversion kit

BMX 20 inch 48V 1500W rear hub motor electric bike conversion kit

More info about this 20 inch BMX motor kit

Main Features:
>. Rim A: 20 inch double wall Alloy (Rim Fit For: 20 × 1.5″ / 1.75″ tire)
>. Spoke: Silver 12 gauge / 68mm Length × 36 pcs

>. Rim B: 20 inch double wall Alloy (Rim Fit For: 20 × 1.95″ / 2.0″ ~ 2.5″ tire)
>. Spoke: Black 12 gauge / 72mm Length × 36 pcs

>. Engine: Bldc hub motor
>>. Voltage: 48V
>>. Power: 1500W
>>. Efficiency: 90.5%
>>. Max speed: 34.2mph
>>. Mechanical brake: V
>>. Sprocket: single speed freewheel
>>. Cable location: shaft end, Right
>>. Cable length:150cm / 60″
>>. Install: spacing of 110mm rear fork
>>. Noise: < 60 db >>. Surface: Black painted

>. Driver: brushless controller
>>. MOSFET: 12 PCS
>>. With LCD: YES
>>. Rated Voltage: DC 48 Volts
>>. Min. Voltage: DC 40 ± 0.5 V
>>. Rated power: 1500 Watts
>>. Casing material: aluminium
>>. Maximum Current: 40 A ± 2 Amps
>>. Thermal: aluminum shell and the substrate
>>. 3 phase 120° brushless motor
>>. Operating Conditions: -20~45 °C
>>. Waterproof design
>>. Size: 171 mm L × 82 mm W × 42 mm H

With LCD, More function:
* Cruise — Green button Control (While motor is working,press green button one time,it will be “CRUISE” – running as the same speed)
* Reverse — Yellow button Control (“Left side & mid / forward — “Right side / backward”)
* Kmh / mph
* Max speed ( 0 ~ 72 kmh )
* Pedal assist ( 1 – 5 )
* …

Package Content:
1 x BMX 20 inch 48V 1500W rear hub motor wheel (Fit for 110mm rear dropout)
1 x 48V 1500W 12-MOSFET motor controller
1 x LCD
1 x Twist throttle — Cable length: 1500mm
1 x Brake levers — Cable length: 1500mm
1 x Three button switches ( control cruise.. ) — Cable length: 1500mm
1 x Pedal assist — Cable length: 900mm

Net Weight: 11.0 kg
Package Size: 50cm L x 50cm W x 23cm H
Package Type: Cardboard Box

This 20 inch BMX bike kit can work with a 48V battery.

24 inch 48V 52V 1000W rear hub motor bike conversion kit

Posted by on March 31, 2025 Comments Off on 24 inch 48V 52V 1000W rear hub motor bike conversion kit

24 inch 48V 52V 1000W rear hub motor – bike conversion kit

More info about this 24 inch hub motor kit

This 24 inch bike motor kit combines the full E-bike technology: direct drive Brushless Gearless high torque hub motor to change almost every bicycle into a personal electric bike. Save energy, protect environment and save money with a lot of fun. Saving 10% of electricity, Improve the efficiency of 8% With The Newest Materials Steel Rotor.

Main Features:
>. Rim A: 24 inch double wall Alloy (Rim Fit For: 24 × 1.5″ / 1.75″ tire)
>. Spoke: Black 12 gauge / 130mm Length × 36 pcs

>. Rim B: 24 inch double wall Alloy (Rim Fit For: 24 × 1.95″ / 2.0″ ~ 2.5″ tire)
>. Spoke: Black 12 gauge / 135mm Length × 36 pcs

>. Engine: Bldc hub motor
>>. Voltage: 48V / 52V
>>. Power: 1000W
>>. Efficiency: 90.5%
>>. Max speed: 80.1 kmh — 50.3 mph Default (Optional other speed: 35mph or 25mph,15mph…please leave message)
>>. Mechanical brake: Disk or V
>>. Freewheel / Cassette: space for single speed… 6 speed or max 7 speed Default: Fit for Screw on Sprocket (If install Cassette Sprocket,please leave message)
>>. Cable location: shaft end, LEFT
>>. Cable length:100cm / 40″
>>. Install: spacing of 135mm fork
>>. Noise: < 60 db >>. Surface: Black painted

>. Driver: brushless controller
>>. MOSFET: 12 PCS
>>. With LCD: YES
>>. Rated Voltage: DC 48 / 52 Volts
>>. Min. Voltage: DC 40 ± 0.5 V
>>. Rated power: 1000 Watts
>>. Casing material: aluminium
>>. Maximum Current: 26 A ± 1 Amps
>>. Thermal: aluminum shell and the substrate
>>. 3 phase 120° brushless motor
>>. Operating Conditions: -20~45 °C
>>. Waterproof design
>>. Size: 105 mm L × 72 mm W × 38 mm H

With LCD, More Function:
* Cruise
* Forward & Backward (Optional)
* Kmh & mph (Optional)
* Battery gauge
* Throttle speeds ( 0 – 5 ) — “0” is off throttle. “1” is the slowest. “5” is the fastest.
* Pedal assist speed ( 0 – 5 ) — “0” is off pedal assist. “1 ~ 5” is the fastest. ONLY one max speed. If hope pedal with 5 kinds of max speeds, please choose the other controller of ours. Please click below link:
https://www.leafbike.com/products/diy-bike-conversion-kit/24-inch-48v-1000w-rear-hub-motor-kit-1548.html
* …

Package Content:
1 x 24 inch 48V / 52V 1000W rear hub motor wheel
1 x 48V / 52V 1000W 12-MOSFET motor controller
1 x LCD
1 x Twist throttle
1 x Brake levers
1 x Three button switches ( control cruise .. )
1 x Pedal assist

Net Weight: 10.7 kg / 23.5 lbs
Package Size: 56cm L x 56cm W x 25cm H
Package Type: Cardboard Box

* This 24 inch bike motor kit system can handle with a 48V or 52V battery.

26 inch 48V 52V 1500W front hub motor bike conversion kit

Posted by on March 31, 2025 Comments Off on 26 inch 48V 52V 1500W front hub motor bike conversion kit

26 inch 48V 52V 1500W front hub motor bike conversion kit

Detail info about this 26 inch hub motor kit

Main Features:
. Rim A: 26 inch double wall Alloy Rim Fit For: 26 × 1.5″ / 1.75″ tire
. Spoke: Silver 12 gauge / 154mm Length × 36 pcs

. Rim B: 26 inch double wall Alloy Rim Fit For: 26 × 1.95″ / 2.0″ ~ 2.5″ tire
. Spoke: Black 12 gauge / 159mm Length × 36 pcs

. Engine: Bldc hub motor
. Voltage: 48V / 52V
. Power: 1500W
. Efficiency: 90.5%
. Max speed: 69.6 kmh — 42.9 mph Default Free customization other speeds: 35mph or 30mph, 25mph, 20mph, 15mph…
. Mechanical brake: V
. Cable location: shaft end, LEFT
. Cable length:150cm / 60″
. Install: spacing of 100mm fork
. Noise: 60 db
. Surface: Black painted

. Driver: brushless controller
. MOSFET: 18 PCS
. With LCD: YES
. Rated Voltage: DC 48 / 52 Volts
. Min. Voltage: DC 40 ± 0.5 V
. Rated power: 1500 Watts
. Casing material: aluminum
. Maximum Current: 40 A ± 1 Amps
. Thermal: aluminum shell and the substrate
. 3 phase 120° brushless motor
. Operating Conditions: -20~45 °C
. Waterproof design
. Size: 155 mm L × 72 mm W × 38 mm H

With LCD, More Function:
* Cruise
* Reverse
* Kmh / mph
* Speeds 0 – 5 “0” is off. “1” is the slowest speed. “5” is the fastest speed.
* …

Package Content:
1 x 26 inch 48V / 52V 1500W front hub motor wheel
1 x 48V / 52V 1500W 18-MOSFET motor controller
1 x LCD
1 x Twist throttle — Cable length: 1500mm
1 x Brake levers — Cable length: 1500mm
1 x Three button switches control cruise.. — Cable length: 1500mm
1 x Pedal assist — Cable length: 900mm

Net Weight: 25.6 lb
Package Size: 62cm L × 62cm W × 25cm H
Package Type: Cardboard Box

This 26 inch bike motor kit can work with a 48V or 52V battery.

Question about 26 inch 36v 750w rear hub motor – bike conversion kit

Posted by on March 31, 2025 Comments Off on Question about 26 inch 36v 750w rear hub motor – bike conversion kit

Question about 26 inch 36v 750w rear hub motor bike conversion kit
1. Is the 750 watt hub motor good bike conversion kit for hill climbing? If not what would you recommend?
2. Is the electric bike motor controller current limit set to keep from burning out the hub motor when loaded?
3. I see the hub motor spec sheet is quite old 2013. Is there an up to date one?
4. What is the full old current of the motor at rated N-M load or torque?
5. Any service places for your parts in the US?
6. What size electric bike battery is recommended for your motor and controller? 36v 15ah?

1.We can make hub motor with low speed,will good for hill up.
2.Hub motor controller max 26A,so that electric bike motor max 26A
3,4.Only tell us max speed,we can customize motor…lower speed,stronger torque
5.no service place now
6.recommend 36v 15ah or more ah

Yes, I would like a lower rpm hub motor for hill up if the cost of the bike conversion kit does not change. Maybe 25 mile hour max speed flat ground or about 311 RPM. What would you recommend? What do you have that is close to that?
I need to order shortly to not miss the special on shipping that is coming to an end on Dec 28th.

Yes.We have.
When you order,only leave message: 25mph or about 311 RPM.
Then we can make this hub motor as your message.

Would it be possible to get the hub motor data for this different motor like you have on your other motors? I really like that data as I can see what the electric bike motor is capable of.

I don’t understand this phrase “Mechanical brake: Default Disk or V (If need to install drum brake,please tell us in advance)

I have not heard of drum brakes on a bicycle. I don’t have disk brakes right now but would prefer the motor be capable of adding that even though I have V brakes on the bike right now. So what should I ask for?

I forgot to add that I don’t want a geared 26 inch electric bike motor wheel. the gears are plastic and won’t last long on the hills. I hope that does not cause a problem.

bike conversion kit torque performance in speed

Posted by on March 13, 2025 Comments Off on bike conversion kit torque performance in speed

A major scientific and technological achievements of my 18 years I found the bike conversion kit torque performance in speed and excellent performance is due to change by the coil – in order to prove the authenticity of my first published the theory – by reversing the DC coil motors, commutation is by phase AC motor. By changing the coil to the premise of achieving the rotating magnetic field in the rotating among each of the stator magnetic pole corresponding to the current conductor always flow in one direction. Can achieve zero speed to rated speed constant torque swing speed, and there is no torque ripple, inverter can be completely eliminated, the chopper will swing popular governor world. Installed on the synchronous motor synchronous brushless DC motor commutator can not be called, is distorting the facts and the scientific community, because it is the by-phase commutation – is the AC motor, it can never find the DC motor torque performance and speed performance .

Rotating magnetic field DC motor, asynchronous motor with a rotating armature of durability and torque performance,sensorless brushless hub motor in speed performance, the performance of the perfect electric bicycle conversion kit, speed DC transformer power does not produce harmonic pollution, Speed ​​costs are very low. It can be raw materials for manufacturing into a more limited market value of commodities, will become the next golden goose, the whole industry will lead to a motor revolution. Engaged in electrical research staff to look at my town scientific and technological achievements, we know that all this is true. Is good to explore the talents of entrepreneurs to create a powerful opportunity.

BLDC hub motor bike conversion kit works

Posted by on March 13, 2025 Comments Off on BLDC hub motor bike conversion kit works

We test this bike conversion kit before shipment. If three led lights on throttle can’t work, please connect green wire to the positive of electric bike battery.

About anti-theft, you should disconnect two power wires (one red thin wire and one red thick wire).

Another red thin wire should be connected to a lock or a switch in series.

I find the problem and it’s was the thumb throttle who is not working… I changed the thumb throttle and replace it with the twist throttle and it work fine,,, but I am not satisfied because I prefer the thumb throttle so if I return you the thumb throttle would you send me a replacement one.
 
I got also another problem in the installation manual online you describe a procedure for anti-theft and I am not able to use it… What is a Cut off power to supply (called soft-switch is turning the key)
 
So please tell me if I mist something because the bike conversion kit system is not working.
 
Text for installation guide need clarification
6. Anti-theft alarm setting:
Cut off power supply to hub motor (called soft-switch, but hub bike motor controller is still powered
on) and take out the electric bike battery key, within 10 seconds press and hold the cruise
control button until you hear a beep sound, then release the cruise control button.
The bike conversion kit system is now protected from theft and the hub motor is electronically locked.
Any movement or vibration of bike conversion kit system will trigger the siren for 30 seconds, and the bike motor wheel will resist any pedaling movement.
 
Was this thin power wire connected well? If did no problem, are you sure that five hall wires from hub motor weren’t be connected well.

Could you try it as below :
Use your hand to turn your hub motor wheel, then turn your twist throttle, maybe do like that, it can turn.
 
It’s not working. Tell you what I done
 
Check all the connection three times also check with the diagram all wires and they are OK
 
Only thing I got: the horn is working and the gauge show full (3 lights) when I turn on the electric bike battery, also when I push two times the cruise button I get a loud beep from the horn and that’s all.
 
After a road test nothing at all it’s like having nothing at all… 

qualified electric bike conversion kit model

Posted by on March 12, 2025 Comments Off on qualified electric bike conversion kit model

In 1997, China’s first a qualified electric bike conversion kit model was born in Nanjing company. January 1998 visit, Vice Premier Li Nanjing Daluge company inspection, after the test ride on electric bike conversion kit to give full recognition.

    From the first a qualified electric bike kit shipped to 2000 electric bicycle conversion kit industry begun to take shape, and then in 2008 the national electric bicycle conversion kit close to 100 million users, electric bicycle conversion kit industry through the years ups and downs, ups and downs. In this decade, electric bicycle conversion kit technology, while the rapid development can not be said, but it has been followed by consumer demand, unknowingly, the various effects of industry, technological innovation continue to be developed. Meanwhile, the rise of various non-electric bicycle conversion kit on the wave of invention, but also to some extent the industry into a creative vitality.

    It can be said that China’s light bike conversion kit is the rise and development of basic research from the beginning, which also determines the electric bicycle conversion kit, as it most closely with the industry, will obtain the support of the masses and the government vigorously promote . As a lightweight electric bicycle conversion kit technology latecomer countries, China electric bicycle conversion kit industry has shown amazing vitality. In just ten years time, China has reached global electric bicycle conversion kit cutting edge of technology, with very encouraging results.

Leaf hub motor bike kit is working

Posted by on March 11, 2025 Comments Off on Leaf hub motor bike kit is working

Q: The bike conversion kit system is now working.
Still have some questions. It is about the brakes.
If we take the red and black wires from the scooter brakes and connect in parallel to the connection of the new hub motor controller, will this have a negative effect on the controllers? My friend thinks that this should not be a problem since this only brakes a circuit.

A: About that brake has two types.ONE is high voltage to brake.The other is low voltage to brake.
Ours is low voltage to brake,you should check your old hub motor controller whether that is low voltage to brake.
If you have volt-meter,you could get about 5V from red and black wires from your old hub motor controller.If it’s 5V. That’s no problem.

Q: We finally got the chance to try the new bike conversion kit wheel after doing all the modifications except for the front brake which we still have to modify.

We have a new problem and I need your expertise. I tested the bike conversion kit wheel up the hill and on its own (without using the rear wheel motor). It went up the hill at about 17 km/hr……..which I think it is satisfactory.

However when I took it up a steeper but very short incline which is on my way home, the fuse connected to the batteries got blown and lost power (no electricity).

The fuse is gauged at 10A. What should I do to avoid blowing out the fuse? If I change the fuse to a different amperage, will this have negative consequences for the rear motor? Do you suggest anything different?

As always, appreciate your assistance.

A: When up the hill,the current will reach about 15A.If too steep hill,it will reach more than 20A.
20A-30A current is easy to break controller.
Sometimes 15A continuous current for about half an hour also can break controller that’s because of too hot will break hub motor controller’s MOSFET.

We suggest:
* Cool controller is important.
* When you up hill,use two hub motors.On the flat road,use one motor.

Our hub motor bike conversion kit can’t get any problem when your up any hill.But should cool controller.

Use 15A-20A fuse.Had better to use 15A.But if use 20A fuse,climb hill has more power.But we worry controller.