Tony – thanks for your excellent website. I’ve got an addmotor fat bike, with a bafang rear hub motor, which is 750 watts / 48 volts. Bafang BBS02 750W Install on 73mm Bottom Bracket, Complete Bafang 1000W BBSHD Mid Drive Motor Kit & Battery, Bafang Speed Sensor Extension Cable (3ft), Complete Bafang 750W BBS02 Mid Drive Motor Kit & Battery. I want to spend under $2,000. So I bought a 350w hub motor unbranded only id DWB36V350W on the axle hub.I connected this to the original wiring for the bafang and it worked. What I expect/understand from this upgrade is that the battery will feel more “fresh” even if 50% of the battery is discharged comparing to a 36v. I wish it could take a cassette. 1. If you didn’t want to use a display, I’ve heard it’s possible by buying a USB programming lead – these are designed to work with the BBS mid-drive motor, so I can say for sure if it will work with the hub motor controller but it’s worth a try. Also, you can always use the throttle in order to engage the motor if you want to take a break from pedaling! The tyre is ordered! I have a 250w hubmotor 36 V and I need more power do you think that I could change it to a 500w and it would increase torque? This is the newest Bafang 750w BBS02 mid drive motor kit, including version B motor and upgraded 25 amp controller with 9 IRFB3077 MOSFETs. Put the wheel on and went for a ride could only pedal twice and the motor cut out,pedal twice again motor cut out,and kept doing this.Only went about 50m to test. I supposed I’d have to define the throttle level? I had a 100 mile ride planned over the Christmas holidays, but after getting a proper soaking at 7am on Bodmin moor, I had to cut it short to 60 miles. Thanks, Bill. Accessories. Hi, I have a 750W DJ mountain bike, KT controller, Bafang rear hum motor. I’ve never ridden an electric bike without a torque sensor and I believe that it’s not the same natural feeling when you need to switch all the time the engine support level through the display rather than managing motor support naturally through more or less pressure on the pedals. -Don. I see in the items in the kit, you didn’t mention brake levers, yet in the photo of parts, 2 brake levers are shown. I have a 15amp controller but should i get something a bit more powerful, i don,t particularly want speed but would like to have hill climbing power but not at the expense of stressing the motor. Here is a link to a good YouTube video detailing dismantling and the components. Very helpful for the growing band of electric bikers. I would like to unlock the speed limit 25km/h to increase it at least to 30km/h. Best regards, Remy. Do you never use torque arms below 500W? The weather’s been pretty bad since before Christmas down here in Cornwall. They will not fit bikes with thru-axles. If you have just purchased the motor, you will need a controller, pedal assist sensor and display. This thread on endless-sphere goes into more details for programming the KT display. Most Bafang hub motors use circular ‘Higo’ type connectors. Tossed mine in a backpack with the controller this afternoon and #1 Son tore it up for a solid 45 minutes without issues. Curious to see if anything can be modified. No specialty tools are necessary! Their motor kits are very reliable and come with a toolkit. We also sell the, Complete Bafang BBS02 Mid-Drive Motor Kit, with the battery, so you have everything you need to transform your bike into a high-powered electric bike. The FM motor is in a smaller/fatter case. Can you maybe advise me whether using the bafang wiring maybe the problem. The Tongsheng is easier to mount on a regular recumbent as you can use a steel collar to secure the motor on the boom, whereas the Bafang can have a tendency to move in the BB shell, regardless of how much you tighten the lock-ring. amzn_assoc_ad_mode = "manual"; I would like to put the 37 on as it’s a fair bit of torque for a light bike. What’s the difference? I’ve used a 52v battery in conjunction with a 48v Bafang hub motor and 22A controller in the past without any issues. A reduction ratio of 1: 5 and a maximum torque of 80 N.m, providing ideal power for e-bikes! If you decide to go with a new kit, the Bafang H400 should be more than up to the job. These motors are fairly comparable to Bafang in terms of reliability and performance. Voilamart Electric Bicycle E-Bike 26" Front Rear Wheel Motor Conversion Kit. If it is a standard square-tapered BB, there should not be a problem. Thanks Tony for the super quick reply! I could also possibly be a fault with the pedal assist sensor. Regards, Michael. Based on the photos, can you tell what the model of the display is? Can you point me in the right direction please? The BBS02 750 watt motor kit is a high-performing, lightweight, quiet, fast, hill-climbing, well-engineered electric bike kit. It is a 26″ rear wheel Bafang 250w kit, with the correct rim. I tried different wheel sizes, but I’m still unable to really effect max speed. Do you still reccomend these two vendors for the products ive mentioned. The other version takes the standard threaded Shimano or Sunrace freewheel. I have run one of these motors using a 48v 30A controller, giving peak power output of over 1500w. You could change to a 48v battery but you would need to purchase a 48v compatible controller (ECU box). Products typically ship within 1-3 business days after the order is placed. or is there a better way of achieving higher gearing? You install the motorised wheel and fit the other ancillary components like the pedal assist sensor (and magnetic sensor disc), display and battery. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. If you still have questions after confirming your bike's bottom bracket size, about whether your bike is compatible with the kit, please send us an email with the year, make and model of your bike to info@bafangusadirect.com. Any ideas on how to program this motor, much like bbs02? You may need to purchase some spare lock-rings for the Bafang as they do tend to deteriorate a little when removed regularly. Is this a suitable choice for a tandem carrying a combined weight of 23 stone? If you do not know the size, it can be found on the tyre for example:  26″ / 599 (ISO) 27.5 / 584 (ISO) 28″ / 622 (ISO) – PLEASE NOTE: If you are installing this kit on a 29er mountain bike, then you will require the 28″ (622) wheel size. Very valuable. All of the kit parts are water resistant, but components such as the display are not waterproof. I would exercise caution using a 48v battery and controller with the 36v Bafang hub motor – You should be okay as long as you keep the current to a minimum. amzn_assoc_design = "enhanced_links"; If you need any more advice, please let me know. I have a question: I am about to buy a cargo bike with a Bafang RM G070.250/350/500.D (350 version) which is marked as DC36V. I purchased a Aikema 128SX 36V 500W rear hub engine for my GIANT ATX690 HD, I have my battery 36V 12Ah, now I was wondering which controller and display is suitable? The BBS02 750 watt motor kit is a high-performing, lightweight, quiet, fast, hill-climbing, well-engineered electric bike kit. We offer the Bafang BBS02 kit with three sprocket options with different tooth sizes (44T, 48T and 52T). Both bags are big enough to house a 36v22A controller. This website uses cookies to improve your experience while you navigate through the website. I’ve just double-checked on the Bafang website and the BPM 48v 500w front motor is 16 magnets and 1:5 reductions ratio, which means P1 should be set to 80, and P2 should be set to 6 as the 500w motor uses 6 pulses for the speed detection signal. Hi Tony, I have ordered a Bafang 48v 500w front kit for a light Specialized commuter bike. You will also need to check the kind of bottom bracket your bike has fitted. But over use or over reliance on the throttle can result in premature wear of the planetary gears and may cause the controller to overheat (especially when climbing a hill). But the 850c display (or controller) doesn’t quite work. I have checked the listing on eBay and it looks like they only offer the kit in a disc specific rim (as in the rim doesn’t have a braking surface for rim brakes). If you do have a KT controller, it might be worth trying one of their displays. Unfortunately it isn’t as straightforward as reprogramming a Bafang BBS02. Regards Steve. I’m 70 and have knee problems so sounds like it will do me also. amzn_assoc_linkid = "fd00380b3e5386b425fc6ab74f6c9f1d"; This is a matter of personal choice. amzn_assoc_tracking_id = "ebikes1-20"; It’s very informative. BAFANG BBS02B 48V 750W Mid Drive Electric Bike Motor Ebike Conversion Kit Mid Motor for Mountain Bike Road Bike with Optional 48V 11.6Ah/13Ah/17.5Ah and 52V 14Ah Battery Brand: BAFANG 4.6 out of 5 stars 313 ratings Customer Care Note: We always recommend storing ebikes indoors or under cover as electronic components are susceptible to water damage. ~Jim. amzn_assoc_search_bar_position = "bottom"; I hope this helps, if you need any more advice, let me now. 4. These electric bike conversion kits are available from various … I imagine the P850c display might not accurately read the battery capacity, but that shouldn’t be a major problem. The brakes were a problem for one ebay supplier – greenergia – who seemed to otherwise offer a wide choice of options – ‘discs only except for the 20 inch wheel’ was his response. amzn_assoc_region = "US"; Jetson Adventure Electric Bicycle Lightweight E-Bike with 21-Speed Shimano Gears ... Electric Bicycle Kit 48V 1000W Rear Wheel E Bike Motor Conversion Hub LCD Meter. Thanks, again, for all of your help and advice! Things like a crank puller are essential to remove the right side pedal crank to fit the pedal assist sensor. Triangle is 17.5ah and have had over 40miles with 50% left. amzn_assoc_ad_type = "smart"; Would appreciate your feedback on this set up. Well done I have a question that you may be able to answer from your wide experience of different systems. I have this bike https://eu.dahon.com/bikes/eco-c7/ and I was wondering whether I could get your recommendation on a complete kit to purchase in order to convert it to an ebike. The SWX02 Hub Kit in 26" rim Motor Wheel Specifications Hub-Kit-Manual-KM529-Aug-2020.pdf For full specifications, please read the user manual (Click to zoom in) Hubkit with 26" Bafang SWX02 rear Wheel Hubkit with 26" Bafang SWX02 rear Wheel and 13AH £499. 5. I’ve had a look on eBay.com and most of the batteries there are shipped from China, there’s a few on Amazon.com. After much study I thought I had reached a decision – a Bafang 250w rear hub but am having trouble finding a full kit to fit my old hybrid bike. Hi, thanks for the informative and helpful posts. We don't want you to have to wait long to start enjoying your new ebike lifestyle! At EM3EV.com, we manufacture & supply high quality ebike Battery packs, e bike Motors, frames, chargers, freewheels, brakes, throttles, Bafang BBSHD and range of Electric Bike products at a very affordable price. But if you are thinking of installing this kit on a higher end mountain bike or road bike, you will need to double check. I’ll mount the battery on the rear rack for balance. Hi Colin, Thanks for your feedback, glad you like my website. Shipping CostShipping cost is a $50 per item. The brake cut-offs aren’t compatible with STi shifters, but I very rarely install them. But once the unit was programmed I’d no longer need the USB cable attached to the bike? His set-up has a 22A controller – he’s 66 years old with knee problems and I have to work like hell to keep up with him on the hills (riding a regular road bike). In answer to your question, it sounds as though your bike has cantilever brakes fitted. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Am I on the right track? The trickiest part of the install process is removing your bike’s existing parts, such as your bike's bottom bracket. Regards Steve. You will need to identify the correct hall sensor and go to RS components – they are usually between 50p – £2 each. Products typically ship within 1-3 business days after the order is placed. Watch our step-by-step Installation Video here. The KT series controller seems to handle the extra voltage no problem. I believe the Bafang CST hub motor is available with 3 winding configurations. Thank you. I have thought about fitting a smaller sprocket at the pedals, which would raise all 7 gears. It has carbon fibre front forks, and will have a torque arm. Again great source of unbiased info – many thanks. Or should I and can I upgrade to 48V? Most of the Bafang hub motor kits available online use basic cadence sensors which give more of an on/off assist feel. In September 2019 I bought a purpose built fold up bike that came with a 48v 500w Bafang. I will adjust the settings and report back. for our video with step-by-step installation instructions. To access the hall sensor, you will need to remove the motor cover and locate the circuit board within the motor housing. I have a ICE Adventure trike with a 20 in rear wheel. We also use third-party cookies that help us analyze and understand how you use this website. You will also need to check the kind of bottom bracket your bike has fitted. If you go ahead and buy one, let me know how it goes. I have a Bafang BPM 500w 48v 20(13) motor built into a 700c wheel with a KT LCD 3 and KT controller rated at 10a max 20a, As always I appreciate the time you take to answer out questions. The area we ride in have some moderately steep hills, and we plan on using pedal assist but using the throttle when absolutely necessary. Check out our handy map for delivery time estimates after being shipped (shown in business days): *Products shipped to Hawaii and Alaska will require a custom shipping price and may be shipped with a different shipping service and take longer to arrive. They also do a colour version of the display called the KT-LCD8. ie your spec sheet says reduction ratio 1:4.42 so reduction ratio x number of magnets (20) would make it 88 ? ... Bafang BBS02B kit 500W/750W and 48V Hailong downtube battery(HL-2 casing) with 5V USB output. You plug in the green connector end of the lead and just cable tie the loose end to the handlebar. Both are branded under name “Egoing”. It has worked well until I got a puncture recently. Greenergia Hub Motor Controller 48V/36V 14-23A Fit 250W-1000W Electric Bike Brushless Hub Motor Ebike Conversion Kit Accessories for Bafang Rear and Front Motor 250W 350W 500W 750W 1000W Greenergia CDN$60.00 CDN$ 60 . The P850c should show the voltage correctly (if you have it set to real-time voltage display), but the indicator bar seems to stay full for ages then suddenly drops off quickly. Please note, the throttle is limited to the Pedal Assist Level you are in. Do you use a torque arm with the 48V 500 watt hub motor on let’s a Rockrider 520? So do I need a new display only, or a new controller and display? It will be a rubberised circular connector on the motor end, with a 5 or 6 pin block connector and 3 phase wires (yellow, green, blue) on the controller end. !Product Details The Bafang mid-drive BBSHD 750w motor mounts in place of your bike's bottom bracket and replaces your bike's crankset and front derailleur if you have one. I’ve never used a Lishui controller with a KT-LCD3 display before. The throttle is fine but the PAS does not work and the speedometer reads about 4 times faster. Fitting was straightforward and used a plastic external electric box on my carrier to house controller and excess wires. Apologies if this is a stupid question. If not any alternatives would be usefull. P1and P2 ? I have a Bafang 36v 250w rear hub motor installed on my bike together Bafang Display DP C10 UART. Many people have found that the Bafang can actually be mounted to many types of trikes, which can be fun since many trikes are not good candidates for hub motor kits. amzn_assoc_tracking_id = "ebikes1-20"; There is also some very good technical information over at endless-sphere.com. If you had your battery inside a pannier bag, then that would be easy enough to move from bike to bike. A couple of negative factors with these motors, is that they produce a little more noise than direct-drive hubs, and the nylon planetary gears can wear over time (especially if you regularly climb very steep hills or carry cargo). Here is the link to the product on Aliexpress. It makes the same noise in 4th & 5th power band but faster. If you have any more question, let me know. Newest 750w BBS02 Bafang Mid Drive Motor (version B), Upgraded Integrated 25amp Controller with 9 IRFB3077 MOSFETs, LCD Display (C961 Display, 500c Display, or DPC-18 Full Color Display), Ebrake Handle Levers or Ebrake Sensors (connects to your existing brakes), Chain Ring and Cover (your choice of 44T, 48T or 52T), Main Wiring Harness (wiring that connects all the kit components), Up to 1300 watts with 52V battery (1152 watts with 48V battery). Glad you’ve found my website useful. I am from New Zealand and this is my first letter to your very good website. The Bafang rear-drive geared hub motor, is compatible with disc brake, has a rated power of 750W +. I personally wouldn’t run a 48v controller and battery on a 36v motor – I’ve tried this in the past and it didn’t end well! Just writing back to confirm that a 52v battery works great with the Bafang 500w front hub motor, in case anyone else is wondering. If, however you have an Octalink / ISIS or Hollowtech ll type BB then you will need to purchase a separate pedal assist sensor. Small geared hub motors produce more torque than direct-drive motors, making them excellent for climbing hills. The one thing in common is they all use the proven Bafang geared hub motor. However, on my bike, I’m not able to find this menu. Personally, I would stick with the freewheel variant, as I have had a couple of freehubs prematurely fail in the past, and replacing them on one of these motors is a right pain! Should be a fun ride, and good for 30mph. I have learnt alot about ebikes over the past month or2 since covid. So I started researching again. If you are using the 48v 500w version the throttle will effortlessly propel you along on the flat without the need for pedalling. The mid-drives might be the better overall choice, especially for the weight distribution on my mountain bikes on very rough trails. amzn_assoc_title = "Shop Related Products"; Hello everyone, Warm greetings to all of you, i would like to share with you some of the Bafang motors products you may feel interested. What would the USB programming cable accomplish? I notice the battery uses Panasonic cells, which is a good thing, as they are good for longevity and reliability. So I’ hoping that these Bafang motors have a torque sensor built-in but I’m not sure. I’m assuming it’s the direct drive 500w motor (gearless). Ideally a KT series controller (dual voltage 36/48v) KT-LCD3 or LCD5 display with a PAS sensor. The bike will not drive using the throttle either. The bike has 20inch wheels with large 20 x 4.0 tyres. I’m planning to run it at 48v, so I’m looking for a 48v battery/controller kit, but I’m a but mystified about which controller to use. Depending on the make / model of motor fitted, it might be difficult to find modern internals that are compatible. 0 of 0 people found the following review helpful: 0 of 1 people found the following review helpful. Hi there i hsve one of those Chinese moped style e bike comes under uk eapc speed of 15mph ive had it 8 years and is now starting to struggle on hills the wheel size is 20 inch the motor is a 36v 200w can i replace internal motor with a nee higher w like a 250w motor Thanks craig. Changing the gearing won’t effect the electric assist or controller in any way. Many thanks for the instant reply Tony. Here is a link to an article that will explain the process in greater detail, and also show you different ways you can use a Bafang motor kit without a display. I recently purchased a Polygon Impression tandem bike. 6. The motor includes pedal assist sensors (PAS), so you can choose the power level of motor assistance that you would like while pedaling. Glad you like the site! For the max speed limited, if there any controller does not have the speed limited setting. I almost bought the Super73 oddly enough at Costco, but when I clicked the button, I learned they were out of stock. Not only that, it has ISIS cranks and torque-sensing, so…let’s get started. 3. Thanks for great reviews and videos which helped me decide on what kit I should get, much appreciated; keep the info coming. Plug everything in and away you go! Add to Cart Add to Wishlist Add to Compare. amzn_assoc_region = "US"; Bafang spare parts. Is it possible to run the motor and controller without a PAS and display? Its hilly where i live and want to try one. Thanks very much for that, I had just assembled everything out the box and it runs ok but I feel it could be smoother. The Bafang BBS02 kit comes with all necessary parts to convert just about any bike (must have 68-73mm bottom bracket) to an electric bike including the battery! You should see a marginal increase in torque, by either doing the above, or fitting a completely new 500w motor kit. Thanks for providing the skinny on the Bafang hub drives in a nice, tidy package. If your bike has a standard Shimano 7-speed rear gear freewheel the gear ratios are probably 14-28t, ideally you would need an 11-28t freewheel for higher gearing. 1. May-be I should invest in some ear muffs! “..using a 48v battery and as long as you keep the current low, you shouldn’t have any problems.” Could you explain a bit more in details? This has been intermittent until recently when it stopped working altogether. CNEBIKES Co., Ltd is a china mid drive electric bike,electric bike supplier,fat ebike manufacturer,electric bike manufactory,We manufacture products include best electric bike 2018,electric wheelchair handcyle,4.0 fat tire electric bike,fat tire sonw electric bike,cool electric bicycle,electric wheelchair attachment etc,if you need these products,Welcome to contact us … It sounds like you’re getting a decent range out of the batteries. The torque figures are in my opinion optimistic and probably closer to 35-40Nm. I have used 52v batteries with Bafang 48v 500w BPM and CST motors in the past (in conjunction with 48v KT controllers) without any long-term issues. I think for this to work you need to purchase the controller with display. It is possible, there are some sellers on Aliexpress that sell Bafang hub motors with the 850c display. Does your controller serial number start with ‘KT’ if so it is likely to take the speed measurement from the motor, although some versions of this controller use an external speed sensor (with wheel magnet on spokes). By changeing display, I would access and change the speed limit? Or only in aluminium frames? I have removed and replaced the wheel, checking torque washers, wheel alignment, cable connections etc and all is well. We ended up mounting the display, which is a good thing since it appears that the throttle setting is dependent on the PAS setting, so in PAS 1 the throttle was restricted, but in PAS 5 it could reach top speed. This is the newest Bafang 750w BBS02 mid drive motor kit, including version B motor and upgraded 25 amp controller with 9 IRFB3077 MOSFETs. The KT-LCD3 display can be configured for the amount of magnets inside the motor and also the number of magnets on the PAS sensor – this might be the source of your issues. This compact electric motor uses planetary gears, which allow the motor to spin at high speeds, making it a lot more efficient than a larger direct drive motor. I’ve got one question regarding Bafang 48V 500W rear hub motors. It also includes a battery, speed controller, electric brakes, an LCD display panel, throttle, and almost all the rear wheel conversion kits come in with a pedal assist. I had looked on the internet for the specs but didn’t find this Bafang website, so thanks for that. I got a chance to run the GO20.500.D 11 motor today on a 451 20″ front wheel. amzn_assoc_asins = "B07RBKRVSK"; A hub motor would probably be easier. Any suggestion? The motor is physically larger and can handle considerably more voltage and current than its smaller sibling. I hope this helps, if you have any more questions let me know. I’ve inquired with Dillenger and the 10spd freewheel that they have is 11-32 max. The bike has 5 power bands and 7 gears on the chain. Your email address will not be published. A chain tool to remove your bike's chain. Hi Jim, That sounds like a pretty good deal to me. If you need any more advice, please let me know. For me it’s 5th power band 7th gear and starts when the bike is a 27km/h speed (motor runs until 30km/h). Hopefully with the longer days and spring on the horizon the whole Covid thing will eventually sort itself out – I was planning on getting the train to Inverness and doing the North West 500 (have to wait and see). For more information on tyre and wheel sizes check out this post by the great Sheldon Brown. Thanks for your answer. I’m really glad I came across your website. It’s likely the display has been ‘locked out’ to prevent the user from altering the speed limit (to comply with ebike law). Regarding gearing, you would need a larger chainring on the front to raise the gearing, something like a 48T or 50T sprocket. You will first need to check the wheel size of your bike. amzn_assoc_default_category = "All"; I can only see what speed limit is set to but cannot access the “Password Menu” page. Do you mean that all the settings are programmed into the display? I’m like you as in I prefer the natural feel of a torque sensor, I prefer the electric motor to be an extension of my own abilities and to be reactive to pedalling input. Or does the motor controller expect to see a display, and refuse to work if the display isn’t connected?

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