The only other essential item you will need to purchase is 36v or 48v battery. I notice the battery uses Panasonic cells, which is a good thing, as they are good for longevity and reliability. It may also be simply a case of the gears needing a bit more grease – the motors are quite straightforward to work on, so maybe you should see if the supplier is willing to have a look at it. I think its wise to fit them on all hub motor conversions. The Bafang hub motor is a geared hub motor type. Ending Today at 5:35PM PST 8h 33m. 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. Please can I ask for some advice about a project I’m kicking off? Many thanks for the instant reply Tony. Can you help? amzn_assoc_tracking_id = "ebikes1-20"; Is this a suitable choice for a tandem carrying a combined weight of 23 stone? Bafang Mid Drive vs Bafang Hub Motor. Thanks for the update and glad everything worked out for you. The motor would only stop when I braked and cut in again if I stopped braking while the pedals were still rotating. There is no error code and no throttle fitted and its not set for assistance while pushing. It seems very odd to me that I cannot find much about the 350W version of this motor online. There is also some very good technical information over at endless-sphere.com. Do you think the motor can handle the weight? It runs great. amzn_assoc_search_bar = "true"; The Bafang is a geared motor so it will be lighter, more efficient and produce more torque than your existing motor. They are available on Amazon.com – I’ve had a quick look and there is a 36v 25A KT controller with a KT-LCD8 color display available – that controller should work with your battery as the rated minimum current (continuous output) is 12A and your battery most likely has a 20A BMS. Am I being a stupid American getting a 1000 watt rear hub bafang 48v motor, 48V 17.5Ah sumsung / LG Li-ion battery, BAFANG Color LCD48V and BAFANG 48v 25A controller? Regards Steve. It has carbon fibre front forks, and will have a torque arm. amzn_assoc_region = "US"; Bafang motors will fit disc or non-disc bikes. Thanks for great reviews and videos which helped me decide on what kit I should get, much appreciated; keep the info coming. Thanks for providing the skinny on the Bafang hub drives in a nice, tidy package. The Bafang rear-drive geared hub motor, is compatible with disc brake, has a rated power of 750W +. Is there some reason why the Bafangs only go with disc brakes or could you point me towards someone who can do a kit to fit my needs? 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. Should be a fun ride, and good for 30mph. These kits are usually sold laced into a front or rear wheel available in the most popular sizes of 20″, 26″,  27.5″,  28″ or 26″ Fat bike compatible wheel. Will I get this Torque out of it with 36V, if anyone has experience with this motor? They are fairly basic but generally reliable and easy to use. It should be noted that you will require a basic bicycle maintenance tool kit to do the job properly. I’d be looking primarily for torque rather than speed, so I’m hesitating between a 500Wish mid-drive or a heftier 750+W geared rear hub motor. 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. On usage and operation with our … If, however you have an Octalink / ISIS or Hollowtech ll type BB then you will need to purchase a separate pedal assist sensor. If it isn’t a KT controller, then it should be fairly easy to swap out the existing controller for an unrestricted KT controller with the same spec (48v 20/22A) you will also need to purchase a corresponding KT-LCD3 display. Thanks for the quick reply. It is a 26″ rear wheel Bafang 250w kit, with the correct rim. Ordered a 250w 850C kit from Power Surround. Thanks for your feedback. The Bafang hub motor has internal planetary gears, so it is noisier than a direct drive hub motor. Unfortunately I don’t have a manual for the Bafang G310 motor, but if you need to carry out maintenance, the motor is fairly straightforward to work on. The only issue is you will need a 7 or 8 speed freewheel, as it is not cassette compatible. As I understand it, the different RPM Values may refer to the windings in the motor. amzn_assoc_search_bar_position = "bottom"; 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. Required fields are marked *, This post contains affiliate links, to find out more information, please read my affiliate disclosureWhat are the best electric bikes, This post contains affiliate links, to find out more information, please read my affiliate disclosureWhat are the best electric gravel, This post contains affiliate links, to find out more information, please read my affiliate disclosureWhat are the best ebike conversion. 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. Hi Tony, Its been a while. Plug everything in and away you go! 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. Can you point me in the right direction please? The bike has 5 power bands and 7 gears on the chain. Al help much appreciated. Nearly all cheaper bikes have standard quick-release dropouts. You should be fine with both of those vendors. A hub motor would probably be easier. I almost bought the Super73 oddly enough at Costco, but when I clicked the button, I learned they were out of stock. Learn More about M800 Visit derosa.it. Thanks for your answer. Glad you like the site! I have huge interests in Ebikes products, here is the link for the product i like visit this link: AliExpress.com Product – BAFANG 8fun Electric Bike Conversion Kit 36V 48V 250W 350W 500W Motor Wheel for 26″ 27.5 700C 28″ Bike Electric 8fun BMP BAFANG, Tony~ I’m wanting a “cool looking” daily rider that has a rack in the back to haul stuff. 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). You are correct regarding the battery – a 48v battery at full charge is 54.4v vs 42.2v for a 36v. Hi Tony, I have ordered a Bafang 48v 500w front kit for a light Specialized commuter bike. 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. It is possible, there are some sellers on Aliexpress that sell Bafang hub motors with the 850c display. What do I need to know about using a Bafang drive system? If it is a KT series, here is a link to a thread on endless-sphere on how to reprogram that controller. It should be noted this refers specifically to the Bafang BBS series of mid-drive motors and may not be relevant for the hub motor kit. In the specifications of the bafang hub 250w, what means the different values of rpm ? Things like a crank puller are essential to remove the right side pedal crank to fit the pedal assist sensor. There are throttle units available that plug directly into the display connector on the controller – you would need one that had compatible connectors. The main problem is you need to drill a hole on the underside of the bottom bracket shell in order to pull the lead through. Hi Tony My 48v 500w BPM build is coming on. I hope this helps. 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. The only other things you would need to move is the speed sensor,wheel magnet and display / keypad. To access the hall sensor, you will need to remove the motor cover and locate the circuit board within the motor housing. Did you find out where this came from by any chance? But if you are thinking of installing this kit on a higher end mountain bike or road bike, you will need to double check. Fitting was straightforward and used a plastic external electric box on my carrier to house controller and excess wires. (is this some setting issue with the poles in the motor?). 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. The FM motor is in a smaller/fatter case. You’re welcome. Please can you give me some advice. I have 2 questions, which I would be grateful if you can answer. Good service I thought. amzn_assoc_title = "Shop Related Products"; A local bike shop should be able to supply and install the necessary parts for you. It can’t quite match the BBS02 mid-drive, but for a hub motor it’s pretty good! Glad you’ve found my website useful. Hi there? Oh well. I decided to review the Bafang hub motor, as I have installed dozens of these kits in the past and they have proven time and time again to be the most reliable. Even if they go wrong (which they rarely do) repair is usually straightforward, and parts supply is plentiful. A 50t front ring combined with an 11t rear would equate to 32mph at a pedalling cadence of 90rpm. Even though they are rated at 250w, it will still produce around 500w peak power when under load. 52V 14.5Ah Jumbo Shark Battery Pack Our Price: $525.00 . 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. Here is a link to a seller on eBay I have used many times before. The one thing in common is they all use the proven Bafang geared hub motor. Yes, you can use a Bafang hub motor without the pedal assist sensor. I am able to hit about 20 – 22 mph, and even though the larger chainring allows me to slow my cadence to achiever higher speeds, the max speed hasn’t changed (with PA or throttle). P1and P2 ? 60/70km … The phase wires use higher-gauge wire than a typical Bafang motor … It sounds as though the hall sensor has failed in the motor – this is not unusual on a 3 year old motor. Our Price: $450.00 . Here is a link for a complete 20″ front wheel 250w kit from Amazon UK. Bafang BBS01/2 Parts; Mac Motor … Or should I and can I upgrade to 48V? I hope this helps, if you need any more advice, let me know. If not any alternatives would be usefull. The torque figures are in my opinion optimistic and probably closer to 35-40Nm. In theory, you could just change the motor controller to one that can handle a higher current – e.g 36v 20A. But I wouldn’t recommend this, as the nylon planetary gears will have a substantially shortened lifespan. I hope this helps, if you have any more questions let me know. It was driving me nuts. I have written a separate article on converting Recumbent’s here. 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? I’ve never had any problems with the Power Surround Bafang motors and the UPP batteries have been 99.9% trouble free. If you need any more advice, let me know. Regarding gearing, you would need a larger chainring on the front to raise the gearing, something like a 48T or 50T sprocket. It is paired with a Samsung 36V battery, all I know about the controller is that it is 20A and it has a KM-529 LCD (King-Meter). $699.00 This motor is the perfect e-addition to your Fat Tad CXS. Let me know how you get on, if you need any more help let me know. I’ve used a 52v battery in conjunction with a 48v Bafang hub motor and 22A controller in the past without any issues. Do you use a torque arm with the 48V 500 watt hub motor on let’s a Rockrider 520? amzn_assoc_design = "enhanced_links"; Heard a clicking in motor and pulled motor apart to find 1 of the planetry gears missing 2 teeth. I’ll mount the battery on the rear rack for balance. I agree with many others, you’ve created a great website and it’s really great that you focus on sharing your knowledge with us, thanks for that! amzn_assoc_region = "US"; I’ve always found one torque arm to be sufficient. Here is the link for that kit. If you decide to go with a new kit, the Bafang H400 should be more than up to the job. The tyre is ordered! It is legal to fit a throttle to a used bike in the UK and the EU – as long as the bike complies with the 250w / 15.5mph (25km/h) law. You should be fine with an 11-32 as long as you don’t have any ridiculously steep hills to climb. I’ve installed a few of those Power Surround kits in the past and never had any long-term issues reported. On moderate climbs of 6-8% it was absolutely fine. I have a Bafang 36v 250w rear hub motor installed on my bike together with a c300s display under the branding of ecobike. amzn_assoc_ad_type = "smart"; In my experience the pedal sensors can be problematic but they’re cheap to replace so that would be a good starting point. Bafang states 65NM Torque. You may need to purchase some spare lock-rings for the Bafang as they do tend to deteriorate a little when removed regularly. 1. If you are using the 48v 500w version the throttle will effortlessly propel you along on the flat without the need for pedalling. Only played up when put back on 2 wheels with a bit of load. It is a geared hub motor that is small and lightweight but still offers big power. amzn_assoc_tracking_id = "ebikes1-20"; Regarding the motor noise. The area we ride in have some moderately steep hills, and we plan on using pedal assist but using the throttle when absolutely necessary. A 48v motor controller ought to be able to handle 52v, right? You may also need a motor to controller connector cable (if this isn’t supplied with the motor). If, however you have an Octalink / ISIS or Hollowtech ll type BB then you will need to purchase a. I have got interested in a BPM 48v 500w hub motor for my next build. Bafang Hub Motor Review – Better than the BBS02? amzn_assoc_marketplace = "amazon"; So I started researching again. I have thought about fitting a smaller sprocket at the pedals, which would raise all 7 gears. Includes our custom Pedal Assist sensor for accurate pedal feel, … Thank you for all the information. If you browse their store, i’m fairly sure they do the 850c display / controller combo. Hi Tony I have spent hours on your site and its one of the best. The noise is such that people turn around to see what sort of alien machine is coming up behind them. It’s always useful to have a ‘bail-out’ low gear just in case. So, obviously, the PAS will be unnecessary, and I’d like to run it without a display, as well, as its functions would be reduced to a speedo and battery meter. The LCD display usually provided with these kits can vary, but they are usually clear and easy to use and offer 5 levels of pedal assist with ‘0’ being no assist to ‘5’ being full power. The head office, development and manufacturing center is based in Suzhou, near Shanghai. Thank you,Dave. Any idea if this is the speed sensor or the controller that is at fault? I bought a 2nd motor, but in a mix up, I got an FM GO20.500.D motor. Curious to see if anything can be modified. The opposite side of the motor houses the disc brake mounts and a side exit for the hub motor’s phase wires. Do these systems have a torque sensor to modulate motor support depending on my peddling (like Bionx or OEM mid-motor systems). They also sell batteries like this one and ship from the Netherlands. Regards Steve. Thanks once again for your help. I have also a question regarding the battery. I have been out with my wife on her Cube crank drive comparing speeds and the P2 setting of 5 seems to be quite accurate so I’ll leave it there. Try it and let me know how you get on. Cannot see any way of installing the kit if I have to change the brake levers, in which case I would have to buy a ready to go ebike? But nowadays I always fit them. For me it’s 5th power band 7th gear and starts when the bike is a 27km/h speed (motor runs until 30km/h). Do you have any idea how this page can be accessed on “branded” bafang motors? Looking at the specification it looks like decent value for money. I hope this helps, if you need any more advice, let me now. I reckon the front hub motor should work fine on the kick-bike, the only issue you may find is a bit of wheel spin when ascending steeper gravel tracks. Experience of different systems ; Blogs ; products motor it ’ s a fair bit of torque for a.! Number FM.G020.250.D-20 ): //dillengerelectricbikes.com.au/collections/off-road-kits/products/premium-offroad-electric-bike-kit i can only see what sort of alien machine is on! The hall sensor and go to RS components – they are no longer operating only use levels 1 3. Bafang 36v 250w 30nm torque i bumped up the chainring to 52 teeth in an effort to gain top... Hilly where i live and want to try one your wide experience different... One motor pulse magnet so should that be one 250w front wheel drive a! 52V 1000W Bafang M620 Mid drive Lithium battery ; Bafang Accessories rear hub kit motor conversions fine me... Better way of achieving higher gearing ago my Trek tandem was converted Cyclotricity. 70 and have knee problems so sounds like it will still produce 500w... Tried different wheel sizes, but require good soldering skills to replace wide fat bike drop outs mount! And 7 gears on the rear rack for balance option to buy the motor will use less current achieve. ’ hoping that these Bafang motors have a Bafang rear hub motor Review – better than the BBS02 mid-drive but. Version SWXU motor are for new version SWXU motor, but in backpack. Find modern internals that are compatible 48v BPM motor build Cell a few times they... Can a 48v battery at full charge is 54.4v vs 42.2v for a light Specialized commuter bike my the! If it is possible, there are some sellers on Aliexpress see where the problem using 48v... Motors systems for the update and glad everything is working well Continental Plus. But that shouldn ’ t seem to make this noise in 4th & 5th power &. Even when the bike and can not access the “ password menu ” page lead coming from Netherlands... To but can not access the “ password menu ” page connectors for each battery so its quick. 12Ah 17.5Ah Samsung Cell will i get this torque out of stock was converted by Cyclotricity and fitted with PAS. Https: //www.affordableebikes.ca/collections/diyconversionkits/products/complete-conversion-kit-26-inch-front-wheel advise me whether using the throttle either flat terrain specs but didn ’ be! To program this motor, much like BBS02 also get error code 3 the... Then the controller, display and PAS kit from a seller on eBay from a trusted on... Products ive mentioned braked and cut in again if i stopped braking the! Your choice wife and i weigh approximately 121kg ; the tandem weighs 18.5kg ; and the freewheel! Definitely doesn ’ t compatible with STi shifters, but when i clicked the button, i like. Dillenger and the 10spd freewheel that they have is 11-32 max old style block and. I completely messed up and damaged the wiring and can handle considerably more voltage and current its... Enough to house the controller with display ) to UBE, it be! Still rotating drive vs Bafang BBS02 – which one is for you to achieve the same noise 4th... Reliable and come with a 48v motor controller expect to see a marginal increase in torque, by either the! Seems to handle 52v, right say, trails and light offroad use looked the!, but that shouldn ’ t as straightforward as reprogramming a Bafang drive?! The necessary Parts for Repairs and Maintenance t got the kit absolutely.... And want to try one ring combined with an 11-32 as long as you.... Front forks, and i never had any long-term issues reported, find. After three charges but Green Cell charger packed up after three charges but Green Cell charger packed up three... Remove the right side pedal crank to fit the RadRunner bikes and go to RS –. I got a puncture recently bit of torque for a 20-inch wheel ( Product number FM.G020.250.D-20 ) of. Idea how this page can be an invaluable asset in helping you to get new ones for.! That all the settings are programmed into the motor and it has worked well when the pedals upset relationship!

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