18 inch 48V 52V 1000W rear hub motor – electric bike kit | Leafmotor

I’m interested in your 18 inch hub motor electric bike conversion kit I was curious is this a right hand drive or left hand drive ? Does this come with a sprocket, and if so how Many teeth does it have ? Is this strictly pedal assist or will the motor engage while pedals are at a stand still? Do you have a 1000watt hub motor for the drum brake wheel?  Do you make 16inch electric front wheels for surrey bikes ?  The axles seems slightly different then your standard bicycle front wheel  Do you have a diagram as to how the drum brake connects to the wheel ?  I see that’s a separate drum break to purchase. How does the 1000watt wheel attach the drum break? Is there a mounting system on the wheel ? The actual drum break 1000watt wheel comes with everything needed correct ?  I would rather purchase from you if possible since our communication has been the best. Can you work with me on the price of the wheel ?  Are the drum break to the wheel universal?  May I ask why the drum brake isn’t included with the wheel? What is the return policy in case I have issues with it fitting my bike or performing ?  I am now in the process of ordering the electric wheel kit for our surrey bike. Before ordering I was curious do you have the updated lcd screen for this model ?  It would be the same wheel, the rear 18inch wheel conversion with drum break.  Is there any documents showing the way the lcd screens look? Is one better then the other ?  I can choose a colored lcd screen for the controller as well correct?  Before I make a purchase I was going to ask do you offer a thumb driven accelerator switch instead of the throttle handle like a dirt bike.  Can you send me a picture of what it looks like please.  I was asking if I could see a picture of the thumb throttle as well One more question about your thumb throttle. Do you have a thumb throttle that does not have the handle attached ? I’m trying to secure the thumb throttle to a sealed bar so I need it to open and latch over the bar to secure it instead of slipping over the end of a bar like a bike handle grip. If this makes sense?  Sounds good. If I were to want this one how would I express in my order I would Prefer this thumb throttle ?

electric bike battery can’t charge | Leafmotor

Electric bike battery can't charge,how to handle it?

Question 1:Ordered 1 set of 36V/12Ah electric bike battery with charger from one supplier last March.Now the li battery can't charge.I sent several emails to this supplier,no any respond.Angry and aspire to slove it,can you help me... Last Monday,I charged it all the whole night,but the second day,when I rode for less than 1 mile,the motor stopped.Recharged it,found the green led always on,can't turn red. I DON'T KNOW how to deal with it.Need help...Thanks. Answer 1:First you need volt-meter to measure the voltage of charger and electric bike battery.Then can find problem. Answer 2:Full charged this 36V electric bike battery reaches 42V. 1.Use voltmeter to measure the charger can get 42V.If not,charger is broken; 2.Measure battery,output voltage:33~42V,battery is also okay.If less than 33V,can't charge it. Answer 3:Generally the charger can't get trouble.The problem is always from cells. If the electric bike battery voltage is over-low.Battery's BMS will not allow charger to work. Can't charge for ever. You should remove the BMS inside ev battery and let it to charge cells directly. When voltage of the whole cells is more than standard voltage and re-connect BMS to cells. Answer 4:Ride e-bike about one year,never meet this problem. Question 2:The charger output 42V,but battery is 31.5V. Disconnected cover,found a printed circuit board.But don't know how to handle it. Answer 5:B- → battery - (connect the cathode of the last pack of cells) D- → - (connect to lock) C- → - (connect to cathode of charging point) B1 B2....B10 connects each pack of cells. Answer 6:Your charger can't work normal.You should disconnect 10-pin connector. Charge it from B- and the positive of electric bike battery,bypass BMS,directly charge cells. Note:Generally BMS can protect cells over-discharge and over-charger.But if your motor doesn't work,just led lights work(current is less than 1A),at this time,BMS can't protect cells.It will over-discharged your battery and make the voltage is less than normal so that can't charger it. We suggest if don't ride your e-bike for more than 1 week,please remove electric bike battery power connector.

need bike motor controller replacement | Leafmotor

I would like  to know if you sell  the bike motor controller only, because i damage mine by over voltage  and i need to replace it. Motor and LCD are still good. So please, i just need motor controller at the moment.   The photo I'm sending from a copy of a invoice is just to give you full details of address info, the invoice is from other kit , not this.   Can you make better price selling without LCD display ?   I will buy more parts in future from you for sure. I have new projects in my mind.   I already sent i e-mail today asking for the same model but with 60v (if this option is possible), if not possible no problem ,i will need  to have another 48v  controller, and  change to a 48v battery again..   Im sorry, I said in last e-mail i had 8 x 12v lead battery, but my mistake,because  in fact they are 10 bat, 12 amps +or- ,and 12 volts each. ( 2 box with 5 batt. each )   A lot of weight to carry, but i made already about 350 miles so far without any major problem...not bad homemade electric scooter…spend some money but i love this installation process, its a fine hobby for me. I ride it most of the time inside private property to avoid problems. I don't go fast, but uphill the controller burn…stupid mistake of mine..i push the controller limits.. many amps and some extra volts burn controller, almost in the end of the project..   I'm your costumer for some time and i prefer your controllers because they  are good and have regen break, very useful for me because i live in high place in Portugal, full of up and downhills.  I also prefer the original parts from you because i know they will fit perfect on the Lcd display that i already have   If yes , how can i pay you  excepting credit card ? I can make bank transfer if you like, or another safe method for both.  If i buy only controller i will pay less tax here also, less money in invoice is better for me because last time i payd a lot, also because motors are heavy , but only controller will be good, its lightweight for the post tax. If possible,  don't mention watt power in invoice please, The hub motor has 1000/1500 watt power.. i cant remember exactly, because sometimes display already  showed 1200, 1300 watt instant motor power  . maybe 1500w motor…not sure..

electric bike motor parts | Leafmotor

Q: we`re building a 4 WD vehicle so we need only the following: 1.1 pcs of 16" 36V 500W or 36V 750W rear hub motor(casted hub+16"× 2 1/4" tyre) 2.1 pcs of 36V 500W or 36V 750W brushless controller without the LCD 6.1 pcs of adapter disk tool that can be mounted on motor and used to install disk 7.1 pcs of φ140mm disk+adapter - what is it?,does it the disk braker? motor speed - minimum value (for maximum speed) 20km/h (we don't care if it will be more) do you support in any we a super-controller to support all 4 motors/controllers? Answer 1: That's disk+clipper. Answer 2: There are two types of disk for e-bike.One is dia.=φ140mm,the other is φ160mm. Generally 140 mm disk is fit for rear wheel and 160mm is fit for front wheel. Answer 3: 36V 250W brushless geared motor is popular in Europe,but in North America,people like 36V 750W hub motor more.More and more people order and enjoy these two types of DC hub motors,we called them classic electric bike motors. Compare to use a chain drive system,these days convert bicycle with a new motorized wheel is much easier.Remove your front or rear wheel,use this hub motor wheel to replace,done it in 5 minutes. 140mm disk can installed on rear motor and 160mm for front motor. Now all of our rear motors and hbm-011 front electric bike motor can mounted on disk,but hbm-front gearless motor and hbl-front motor can't installed disk. The thickness of these 140mm and 160mm is 2mm. See more pictures: Picture 1:The thickness of disk

Single Shaft 18 inch 48V / 52V 1000W electric hub motor - bike conversion kit

This 18 inch hub 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: Hub: Ø372mm Alloy (Rim Fit For: 18 × 2.125" ~ 2.5" scooter tire) - Not fit for 2.5 - 18 inch motorcycle tire Motor Type: electric hub motor Controller: LCD display Max speed: 40kmh  (Free Customize other speed,please leave message.) Mechanical brake: V LCD-S830, More Function: * Cruise * Forward Backwards (Optional) * Regen brake * Kmh mph (Optional) * Set Max speed ( 0 ~ 100 kmh / 60 mph ) * Speed ( 0 - 5 ) - "0" is off. "1" is the slowest. "5" is the fastest. * Battery gauge * ... Package Content: 1 x 18 inch 48V / 52V 1000W Single Shaft hub motor wheel 1 x 48V / 52V 1000W 12-MOSFET motor controller 1 x LCD - S830 1 x Twist throttle 1 x Brake levers 1 x Three button switches ( control cruise, regen brake, reverse .. ) 1 x Pedal assist Net Weight: 10.0 kg   /  22 lbs Package Size: 46cm L x 30cm W x 46cm H /  18.1"  L x 11.8" W x 18.1" H Package Type: Cardboard Box

Look for an Electric motorcycle motor kit | Leafmotor

I just bought a gas moped (49cc) and plan to convert it to electric with your electric motorcycle kit. It looks like I'll need at least 1500W rear hub motor, although I'm willing to go higher if needed (2000W?). Someone on a forum indicated that you do custom windings and I should reach out to you, but I'm not an engineer and can only describe how I'll use the moped - I can't offer what specs are best, or if this is within what you can offer. I would prefer a solid wheel (no spokes) but on your site those only go to 1000W? The original moped rear wheel is 17" with a M62 3-17 tire. I haven't removed the tire to get the exact fork distance, but I think it is around 175mm I don't need a high top speed, 20 mph maximum and mostly I will be in the 0-10 mph range. However, it will be constantly going up and down hills, including several hundred feet of about 15 degree incline. So, I need good low-speed torque. I weigh about 200 lbs, and the moped (and the tools I'll be carrying) adds another 100-150 lbs. This will never be used on public roadways, only on my farm. I live in the USA. I haven't started looking at controllers or batteries yet.  My first step is to identify the best hub motor option, then I can worry about the rest.  I'd prefer a 17 inch casted electric motorcycle hub motor if I can get one with enough power / torque at low speed.

Question on wiring- 1500w rear hub motor kit | Leafmotor

I have installed my hub motor kit on my bike and think IT IS GREAT!!!! I have a question about a wire from the “cruise control-regenerative brake” controller on the handle bar. The connection to the control unit had 4 wires one of which......the blue wire...was cut. I assumed that it needed to be fixed the two blue wires together. I bought two hub motor kits and we have just finished installing the kit on my friends bike and this blue wire is also not connected.....so I am wondering if it is supposed to be disconnected......should I solder this blue wire of cut the blue wire on my bike ..... Again....I think your hub motor kits are great! I have referred my friends to your site and I hope you receive some orders from them. How to use three button switch? 1.We cut off that blue or yellow wire.It's for reverse/backward.This function is very dangerous for e-bike. If for e-tricycle,hope this reverse function,just re-connect this yellow wire. (We cut off yellow wire.. so no reverse/backwards function for e-bike. If install motor on tricycle, also need this reverse function,please re-connect this yellow wire. Reverse works)   This yellow or black button be left / middle,motor works forward. Be right side,motor works backwards / reverse... (Cut off blue wire,No reverse function) How to set max speed? If you feel motor is too fast,please set it to be low speed. * Press “sw/middle button” from LCD more than 2 seconds,then LCD will display. * Press “up & down button” together more than 2 seconds until 72 is flashing ( 72 is kmh, if you hope works 20mph / 32kmh, press “down” to be 32) * Press “sw/middle” button one time to save,then 20 is flashing.. (20 is wheel size. Don’t set) * Press “sw/middle” button one time to save,then kmh or mph is flashing.. * Press “sw/middle” button one time to save,then press “sw/middle” button more than 2 seconds until be back.   Turn throttle,motor will work max speed as your setting.   --------------- There is a “ 5 or 4 or 3 or 2 or 1 or 0” on the Left side of LCD. * Be “0” – throttle & pedal assist NOT work. * Be “1” – throttle works (If install pedal assist, pedal about 3 circles,then can drive motor to work) * Be “2” – throttle works (If install pedal assist, pedal about 2.5 circles,then can drive motor to work) * Be “3” – throttle works (If install pedal assist, pedal about 2 circles,then can drive motor to work) * Be “4” – throttle works (If install pedal assist, pedal about 1.5 circles,then can drive motor to work) * Be “5” – throttle works (If install pedal assist, pedal about 1 circles,then can drive motor to work)   If NOT install that pedal assist,ONLY use throttle to drive motor. But Should be 1 or 2 or 3 or 4 or 5.(Be 0,turn off throttle)   -------------------------------- How to use three button switch? 1.We cut off that yellow wire.It's for reverse/backward.This function is very dangerous for e-bike. If for e-tricycle,hope this reverse function,just re-connect this yellow wire. (We cut off yellow wire.. so no reverse/backwards function for e-bike. If install motor on tricycle, also need this reverse function,please re-connect this yellow wire. Reverse works)   This yellow button be left / middle,motor works forward. Be right side,motor works backward / reverse... (Cut off blue wire,No reverse function) 2.Green button is used to control cruise, while motor is running,also over some speed,example: over 1/3 max speed,at this time,press green button one time,then loose throttle,LCD display “C”,motor will works the same speed. Re-press this green button one time or press brake lever or turn throttle to max,motor will stop 3.Red button be up,regen on. Be down,regen off. This regen is not strong.Only while braking with a little regen.   1.Be careful: Heavy Red Wire from controller should be connected to → Red Wire + (48V or 52V battery positive) Heavy Black Wire should be connected to → Black wire - (48V or 52V battery negative)   Power on battery. Press “sw” middle button more than 2 seconds until LCD be ON. Turn throttle,motor will work. If Not work,please check below: 1. if LCD display “-O-“, the system is braking,cut off motor power.. please make brake levers’ metal ring be back or disconnect brake lever’s plug, then “-O-“ off, turn throttle,motor works. 2. if no “-O-“, still not work,please check three pair of heavy phase yellow,blue,green wires if connected well.