Tuning the Bafang Controller with UNLOCKED firmware

Welcome fellow riders! On this episode we use an updated firmware that will allow us to reconnect onto the Speeed app to do fine tuning! Enjoy!
Tuning setup for Bafang BBSHD 1000W 52V
Link to updated firmware 👇👇
1drv.ms/u/s!AmyEc6TsMRR0gm8UD...
Site to download Controller software and 48v to 52v conversion file and helpful video - goldenmotor.bike/downloads/ ⬅ (The firmware you find here is the one we previously used, it works but doesn't allow you to fine tune)
• Tuning the BBSHD Contr...
Link to product 👇👇
Bafang Tuning Cable -- amzn.to/3xip4d4
As an Amazon Associate, we earn from qualifying purchases.
⚡DISCLAIMER⚡: Please 🙏 do your research before running any tuning software on your Bafang controller. Always do a back up before changing any stock settings to avoid damaging your kit! If you don't feel comfortable doing the task yourself, please take it to a professional!
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Feel free to drop a comment below if you have any questions or simply if you just share the same passion as we do!
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Disclaimer: The information provided here is for entertainment purposes only.
#CommissionsEarned #ftc_alvinandhiro #first_timers_cycling

[@hirowing4985]

Alvin says give me all the powaaaahhh!!

[@BreyonnaMorgan18]

Thank y'all. Golden Motor gave me a locked firmware. They set it to 52V, but I wasn't able to connect to the Bafang Config Tool. Your firmware fixed my problem. Thanks again. Now I'm bout to test out my new profile. Hopefully I won't die.

[@FirstTimersCycling]

Lol nice! We take no credit to the firmware as it is actually Golden Motors "unlocked" version of firmware that a viewer shared with us. Be safe out there and enjoy! Thanks for commenting. 👍

[@sickswan61]

Awesome thanks guys

[@FirstTimersCycling]

You're welcome!

[@TomaszHaba]

The 500c display allows you to switch to 52v and it’s nice and compact perfect for mtb!!!

[@FirstTimersCycling]

I'll have to check that out! Thanks for letting us know!

[@ronsexton6829]

I'm buying one of those !!! I have a c965, but it turns out that the 52v switching thing isn't a big problem for me (as far as I know). The 500c DOES let you control how long it takes (or even if) the system to turn itself off. The c965 turns everything off after about a minute inactive and it can't be changed. That sucks at a long red light having to flip the + and - buttons just to keep it on!

[@gnormanhayes]

This really work for you let's see your bike actually move after you download the program

[@FirstTimersCycling]

Hey, sorry you're bafang is messed up right now. There must be a step you missed during the setup process as we got these firmware updates from a reputable site called Golden Motor. The bike moves in this video and on the next video where we do an actual ride. A bit busy today to help you right now, but let me message you later. Or maybe Alvin may be able to respond before me.

[@aplliedweaponology]

Hi guys, Thanks for the video and the files.I had same xperience with the Golden Motor files. could not connect with the configuration software, I used the file from Endless Sphere also to end up with an error07 (overvoltage) Im assuming that file is for a 48v battery set up. I am running BBHDS 1000w 52volt 20a. Your file, that looks newer as far as numbers go did the trick. No more error07 and configuation software connects without issue! Cheers

[@FirstTimersCycling]

Hi there and thanks for sharing your experience! All files used on Alvin's bike was on a 52v 1000w BBSHD setup. Mine (Hiro) is a 48v setup but I haven't hacked my Bafang yet. Glad the up to date file fixed your error!

[@KeithAVass]

It sounds like you have mastered the complexity of all this Chinese software and have the same motor as me but I do not have your IT skills. Do you see the possibility of someone combining all these complexities and designing an app which anyone can use?

[@FirstTimersCycling]

Hello there, to answer your question, not really sure. Never really thought about it. Bafang setups are pretty solid as is in stock form and firmware. The mods are for those who are comfortable and wanting to tweak things to get the most out of it. Again, Alvin's bafang is modified. Mine isn't and I'm fine with that. To each their own I guess.

[@gnormanhayes]

Thank you for making this video I've been worried sick why my motor won't hook up to the tool anymore anymore couldn't sleep couldn't eat Upset on what I had done to my $1000 bike I haven't even used yet

[@FirstTimersCycling]

Hey, I know you're pissed and I understand how you're feeling but you can't blame us for this. We'll do what we can to get you back up and running but somewhere either your setup or a step was missed when you did the update to your Bafang controller.

[@acelectricalsecurity]

You can get the 48v controller firmware from endless Sphere, it's from bafang, it will give the correct battery level when using a 48v battery, you can change the max current from 28a to 30a.

[@FirstTimersCycling]

On the bike we are doing the tuning on, it's a 52v battery but shows 48v on the controller and app. With the Speeed app we were able to change it from 28a to 30a aswell but it still showed 48v even with the 48 to 52v firmware update. That's what we are trying to figure out still. To see if once it shows 52v, it'll have even more power.

[@acelectricalsecurity]

@@FirstTimersCycling my BBSHD has a 52v controller and for that reason it would never show a fully charged 48v battery as 100%, it displayed it as 70% charged, but it also showed a max current of 28amps which I couldn't change with the app or laptop, that was until I flashed the 48v firmware to fix my battery display charge level, then it allowed me to up the current to 30amps. Maybe your controller is rated at 48v and doesn't recognise a 52v battery, have you measured the voltage at the battery terminals to see it's a 52v battery, I guess you should see around 58v, as I get 54.6v on my 48v battery.

[@staryjarocinek2386]

​@@acelectricalsecurity Could you tell me which firmware you used because I have the same issue with mine recently bought. The one basic 48v firmware from golden motors or the unlocked one or sth else? Answer please

[@acelectricalsecurity]

@@staryjarocinek2386 I found a site called endless sphere, they had instructions and the firmware on there, it was very easy to find

[@staryjarocinek2386]

@@acelectricalsecurity Thank you, I appreciate. Greetings from Poland.

[@malibuflavor]

Eggrider V2 for the win. Great video guys. Keep up the great work and stay safe.

[@FirstTimersCycling]

Thank you! Perhaps one day when our controllers die out, we'll upgrade to something better. Trying to make the most out of the basic kit that Bafang sells. Thanks for your feedback on the Eggrider!

[@fabiotorre178]

Hi, could the low cut-off voltage be set lower than 48V-38V in this engine? 13S Samsunf up to 32V would be ok.

[@FirstTimersCycling]

Many have stated not to go lower than the recommended low-cut off voltage. They say it puts a strain on battery longevity.

[@sketchysticks1127]

I have not checked if it says 52v in the app but the battery meter now works as it should. Another nice thing to do with the bafang midrives is improving the chainline blingring is one, but changing the ratios on the casette works very well since we gave electric bikes we do not need the ratios to be so close now i have 28,24,21,19,17,15,14,13,12,11 but i will change this to 28,21,19,17,15 did this on my bbs02 without blingring and it worked ok will try it soon on my bbshd. Cheers!

[@FirstTimersCycling]

Agreed with the ratios! With them being so close there is no point. We haven't created a custom cassette on Alvin's bike yet and for mine I'm single speed so I just change them before a ride if I know it's going to be hilly or not.

[@sketchysticks1127]

@@FirstTimersCycling yes im aware you ride single speed hows it working for you and what sizes. If alvins intressted he could swap the gears putting the ones not used behind towards the spokes and set the limit screw to not use them did that on the bbs02 will print som spacers for the bbshd thinking of replacing the limit screws to something longer so that i only can use 3-5gears ibstead of 10 -2 last ones

[@FirstTimersCycling]

@@sketchysticks1127 Working great! 46t front and 34t rear. Only time it sucks is riding flats but then I just up the PA and ghost pedal 😅. It's good on the uphills, I almost want to try a 36 or 42t in the rear for even better climbing capability. About that rear cassette thing you're talking about. Is there a specific brand that allows breaking down the gears like you are saying? Because on his the first 2 or 3 cogs I can see separate but the rest are like riveted on with no center spline. Makes sense what you're saying but I don't think Alvin can do that.

[@sketchysticks1127]

@@FirstTimersCycling there are some sunrace casettes that uses screws. The rest use rivets but i heard that you can drill it out since the splines(unsure of the word) on the hub body holds the gears in place have not tried it myself yet but will soon.

[@sketchysticks1127]

@@FirstTimersCycling is it not easier and cheaper to change front sprocket for a 42t since going to a 42t rear you need a new deraileur and with that sometimes a new shifter also

[@8thsinner]

I just had my first ride today with the hd, and the sw102. Still charging battery so I can use the I think its the bbs tool thing with the pc. Haven't got a working otg right now but it's on the list. As far as I can see the eggrider and the cyc, these are just sw102 displays with custom firmware? is that correct? Can you educate me a little on firmware stuff, I haven't got my head around that yet, if the stock is fine, or if theres custom stuff available without spending additional money..

[@FirstTimersCycling]

Hi there and thank you for commenting! To our understanding, the firmware is on the HD motor itself, not the controller. The stock is fine for most, including myself, but Alvin wanted to be able to go faster and up the output. I believe if you reach out to Golden Motors, they should be able to help you with firmware that will work for your setup. We are by no means experts on the subject either, so I'd rather not give you misinformation. What we did was at our own risk and on the systems we purchased just for learning as we enjoy tinkering. Not sure how any other controllers would perform with the firmware update.

[@matthewburga]

Can someone point me in the right direction? I have a M620 and the throttle will only engage when I'm going 5km per hour or so. I do a lot of washed out roads with large rocks so is there a firmware solution to enable instant throttle? Thanks.

[@FirstTimersCycling]

Have you tried the Speeed app? That app will allow throttle control setup.

[@A.G_369]

Is it possible to reflash the Dpc 18 screen to make the numbers and font larger?

[@FirstTimersCycling]

Not too sure about that as we only have experience using the C961 display. Sorry!

[@mrphil2233]

can you back up firmware before flashing?as i have a 2022 bbshd wanted to get a back up of latest firmware.great video keep it up

[@FirstTimersCycling]

I'm sure that's possible but I'm afraid we didn't do that. Thanks for commenting and glad you liked the video!

[@Goodforyouliving]

such a tight fit for your battery - how did you do it?

[@FirstTimersCycling]

Yeah very tight fit. Have to pivot the mount to slide the battery on then pivot the battery back in. Only one screw can be used on the mount to allow pivoting then we use a zip tie to secure the top side of the battery to the down tube of the bike.

[@rhl2macwan]

Hi guys I have a 48v setup with a 500c display I wanna keep it at 48v cause I got the 48v battery but I feel like the battery drains quite fast maybe it’s my battery or maybe it’s the bbshd is there a way to make it fast and efficient or am I just being too hopeful

[@FirstTimersCycling]

Hi there and thank you for commenting! When you make the Bafang go fast, the battery gets drained faster. It also depends on your gearing and the amount of load you put on the motor. Are you riding on flats? hills? All of that comes into play besides just the battery and motor.

[@RobMatthews21]

Thanks guys. I tried the new file. But my throttle stopped working? And it still says 48v when plugged into my laptop? Any suggestions?

[@FirstTimersCycling]

The throttle should take whatever PA1-PA9 you are set at. So if at PA0 you will have no throttle. With this firmware you can connect to the Android Speeed app to reconfigure the throttle as well. We have yet to figure out what will make it show 52v. Hoping somebody would chime in with knowledge on that part.

[@markhunter2507]

got the same issue. Have you been able to correct this?

[@markhunter2507]

I got the firmware to flash properly and all is good now. 48v battery shows 100% when fully charged just like it is supposed to. Throttle now working too. WooHoo! Just took a little more time reading everything I could find on the topic. Luna said it couldn't be done... HAHA

[@elcero90]

I'm installing mine this weekend bbshd. It looks like you guys are local to me I'm from Downey CA

[@FirstTimersCycling]

We're in the San Fernando Valley. You're going to love the bbshd! What bike are you putting it on?

[@user-pw4zp4dw5i]

Good morning, on my bafang m620, I changed the pedal sensor, then the controller, the engine runs only on the accelerator. I also bought the C961 screen to calibrate the motor, but I cannot configure it. by pressing + and - simultaneously, you do not enter the menu. can you help me please? maybe the manufacturer's contact details. Sincerely

[@FirstTimersCycling]

Hi there, here's a video I found to assist with the C961 display. kzbin.info/www/bejne/jYWnaKeMap11jbcsi=HGcJOX4JqiHJrQE_ Hope this helps!

[@womacko]

Is there a firmware for BBS02B (750W) that allows setting throttle to 100% even on Level 1 Assist?

[@FirstTimersCycling]

Hello and thank you for your question! What allowed for the throttle setting at 100% even on Pedal Assist 1 was the Speeed App. Not totally sure if the app works for all Bafangs but it's worth a shot since it's a free app. I would do some research to see if it's compatible with the 750w. I'd assume the worst case scenario would be that when you attempt to connect to the app via USB to \Bafang controller, it will just say not compatible or error out before you even try to make any changes. Here is the video when we first tried the app and discovered about the throttle setting => kzbin.info/www/bejne/d5W7YmWCeN2FiNE With that being said, you won't need to update the firmware, just connect the existing (stock) controller to the app and tweak the settings. Hope this helps!

[@ebikeengineer]

If you get the speed app to connect you can set your throttle to 100% at all times. I've gotten my BBS02b setup this way. If the Speeed app is glitchy there is also a PC program you can run on your laptop that does the same thing

[@FirstTimersCycling]

@@ebikeengineer Got the name to that PC program? Also is it Windows only or is it Mac compatible? If you know?

[@ebikeengineer]

I sent you an email with the links. KZbin won't let me post them.

[@FirstTimersCycling]

@@ebikeengineer Thanks!

[@ashpunting]

I actually used the speeed app so I could get level 9 throttle all the time but I didn't up the amps because I don't want to blow up my motor I heard some controllers have been blowing up

[@FirstTimersCycling]

Originally with the previous firmware, it only allowed 28a for the 52v. The 48v uses 30a. Now that we were able to reconnect back to the Speeed app after the firmware update, we moved it back to 30a with the 52v firmware. Hopefully it doesn't blow anything up but that's why we're testing it.

[@ashpunting]

@@FirstTimersCycling I hope everything works well and thanks for doing these sort of tests for us guys 👍🏾

[@FirstTimersCycling]

@@ashpunting Yup! 👍 Hope things work well too 🤣. Thanks for commenting!

[@oddsandbods9708]

Guys can this firmware be used with Bafang BBS02B 48v 750 Watt Mid Drive..? Cheers.

[@FirstTimersCycling]

I dont believe so. When we searched, it was for 1000w bafang motor setups only.

[@JANICKGERS88]

how can i do it with a "can" connector ? i don't have UART on my bike

[@FirstTimersCycling]

Hi there, hopefully somebody who watches this video see's your question. We only have experience with the setup we have so not sure how to help ya, sorry!

[@3albe]

Hi, does the Speeed app works also with bafang rear hub motors?

[@FirstTimersCycling]

Don't see why not. As long as you have some type of controller, the Speeed app should be able to connect. Can't say for sure though as we only have experience with the setup we have.

[@3albe]

@@FirstTimersCycling Thanks a lot, and congratulation for your video!

[@thepowersource1602]

Guys do you know how to open the firmware on the G510? I would like to lower the LVC to 30V. Do you have any advice?

[@FirstTimersCycling]

Hi thank you for commenting. Unfortunately, we don't have any experience on any other systems besides the one we are using. Don't want to give you wrong advice either, sorry!

[@thepowersource1602]

@@FirstTimersCycling Do you know someone who can do it?

[@FirstTimersCycling]

Nobody we know. We just tinker on our own bikes for fun. Sorry bud.

[@thepowersource1602]

@@FirstTimersCycling 👍

[@electricbikeretrovintage]

The controller amp is at 28. How can I setting it up at 30 for example?

[@FirstTimersCycling]

If you used the firmware in the description of this video, you can reconnect to the Speeed app on your phone to change it to 30a.

[@electricbikeretrovintage]

@@FirstTimersCycling I don't have an adaptor USB to connect to my phone. Is this app work with windows?

[@FirstTimersCycling]

@@electricbikeretrovintage If you are referring to the Speeed App, it's for Android phones only. If you are referring to this video, the app we are using is meant for Windows systems only.

[@electricbikeretrovintage]

@@FirstTimersCycling I ordered one on amazon thanks. So this is why when other software app to tune it I get error 30 because they not on the same firmware? By the way did you see my bike? I have 3 motor on it.

[@FirstTimersCycling]

@@electricbikeretrovintage That is absolutely correct. The Error 30 came on for us on the previous firmware when trying to reconnect to the Speeed App. Had to reload the firmware to clear the code then all was well. The firmware on this episode will allow you to reconnect to the phone app and tune it. And holy crap rear hub, mid drive and front hub lmaooooo, that's mad insane!!

[@garyhoward4064]

Would be nice to have a kind of police panic button (pressing + or - for a while) allowing to limit the overall speed to 15 mph.. In my country, police stop many e-bikes and put them on a rolling road to check..

[@FirstTimersCycling]

Oh wow, it hasn't gotten to that here yet. But in the mountain trails, we do have cops monitoring ebikes as motorized dirt bikes. That we have to watch out for.

[@DavidThackstone]

Hi can you send me the link for the programming program please.

[@FirstTimersCycling]

Hi there and thanks for commenting! Everything you need should be in the description field below. Please remember, we haven't tested on any other systems, only what we are currently running.

[@PaulWilliams-yf1pf]

Hi where can I get the code you used as I can't get the throttle to work

[@FirstTimersCycling]

Hello, what part of the video are you referring to? We didn't enter any codes so I'm a bit confused as to what you are asking.

[@PaulWilliams-yf1pf]

@FirstTimersCycling the flash you put on to get the throttle working

[@FirstTimersCycling]

@@PaulWilliams-yf1pf The firmware we used is linked in the description of this video. It allowed us to then plug in the Speeed application to tweak the settings. The episode where we install the Speeed ap is -> kzbin.info/www/bejne/d5W7YmWCeN2FiNE Hope this helps!

[@Dark_Phoinix]

hi, I have a 800S display and i need to change voltage setting from 48V to 42v , any one can help me? why are firmware for display? i cant change voltage next password 0512 and 1919 not work.

[@FirstTimersCycling]

Sorry, we can't help you there as we don't have experience with that display controller. Hopefully, somebody can chime in to assist you on here.

[@Dark_Phoinix]

@@FirstTimersCycling ty

[@Dark_Phoinix]

solved i have made a firmware with low voltage !

[@ptitpierre1]

@@Dark_Phoinix Hi, how did you succeed that ?

[@jackreacher1963]

That is a charger behind you. Is it? Can you do a show infront of dodge charger. 🤔 please

[@FirstTimersCycling]

That is a '69 Dodge Charger R/T. Currently not running but we will be working on it on our other channel. Check it out!

[@gnormanhayes]

When you hit load take a look at the program The ones and zeros and characters on the right hand side The program is corrupt halfway through the programs it just starts repeating zero's over and over again for 3 pages long I don't know where you got this program from but Pierced to be corrupt

[@FirstTimersCycling]

So what happens when you use the .hex file from Golden Motors? goldenmotor.bike/downloads/ This is the firmware we first used as we explained in this video. This one won't allow you to reconnect to any phone apps like the one we used (Speeed App) in another video. We couldn't fine tune the firmware so that's when we were provided the updated one by a viewer who got the update from Golden Motors. Watch the video, the dude even states to contact them and they will send you an updated firmware which is the one in this video.

[@FirstTimersCycling]

If the .hex file from Golden Motor doesn't work, try this one I found -> california-ebike.com/pages/updating-bafang-firmware This also has pretty clear instructions. If at least it gets your bike running again, you will have a base map to work with and can play with the other firmware updates again, if you so choose to.

[@gnormanhayes]

Thanks for trying nothing worked I got control over my bike again But every single map I upload gets locked out as soon as I try to make a change and I have to upload a new map completely locked out every map I've tried

[@FirstTimersCycling]

Im happy you got the bike working but sucks you can't modify it. At least you can ride, that's the important part!

[@KelvinChanMcSquared]

it did check the MCU once, but didn't take the download and can't check the MCU anymore, please advise

[@FirstTimersCycling]

Did you get any errors? Did the check scan run at all? Remember you may need to disconnect the battery and refasten it for the check MCU to run the test.

[@KelvinChanMcSquared]

@@FirstTimersCycling no error. the first time try, did get a successful complete result, but couldn't get the download code work, since then, no MCU anymore. I disconnected (removed battery), connected, turn on and off.

[@FirstTimersCycling]

@@KelvinChanMcSquared Does the bike still power up and function? What is your setup? Is it like ours? Bafang BBSHD 1000W with a 52V battery?

[@KelvinChanMcSquared]

@@FirstTimersCycling lucky still function, bbs02 750wt. Alfine 8 igh, mild setting, try to keep the battery last longer. City commute, no off road.

[@FirstTimersCycling]

​@@KelvinChanMcSquared Hey, not sure if this tune works for the 750w. This was meant for the 1000w motors with 52v batteries. You may want to just try connecting to the Speeed App to tune settings instead of a full ROM tune like this one. Check out this video => kzbin.info/www/bejne/d5W7YmWCeN2FiNE

[@InstaLabSparti]

hiw can i backup the original firmware?

[@FirstTimersCycling]

Hey there, that's a good question because that's not something we did. I'm assuming when you use the tuning software and do an initial scan, that should be the original firmware. Then when you load up the modified firmware to upload that onto the Bafang controller, if you do a scan, you'll notice different numbers. I can't say for sure as like I said, we didn't back up the original firmware.

[@CaptainCurt07]

Double tap M go into setting on display then scroll down to voltage and change there, there is a pin I can look it up I wrote it down somewhere or it’s on KZbin how I found it, it’s like 1806 or something, if u need it I’ll check meanwhile 1919 is pin on some 1801 is bbshd 52v

[@FirstTimersCycling]

Hey there and thank you for commenting! Are you talking about the Speeed app? Not exactly sure where the "M" button is you are referring to.

[@CaptainCurt07]

@@FirstTimersCycling no u can change right from display in advance settings

[@jaroslav5199]

Everyone programs the engine, I have the speed locked in the display at 25km/h and programming the engine won't help with that. I am looking for firmware for the c18 display. An unlocked engine with this display also drives a maximum of 25 km/h. It is necessary to reprogram the display. I do not know how. The speed and wheel size value is locked.

[@FirstTimersCycling]

Sorry not sure how to help you there. We have only used the C961 controller display system. This one allowed us to modify wheel size and speed as it was not locked.

[@bahmanbehzadi615]

hello happy to have discovered you guys i need help with my ebike? would you consider it i live in SFV

[@FirstTimersCycling]

Hello! What is it you need help with?

[@gnormanhayes]

Thought it was going to work I was so happy but then it would not read my battery battery level 0 no matter what I did

[@gnormanhayes]

I just want to go back to the original program at least the bike worked can't ride the bike the way it is After downloading the program I'm having a problem with my brick sensors the light and it will no longer read the battery great program

[@jackreacher1963]

nice boat but is that a dodge charger in the back ground. nice

[@FirstTimersCycling]

Alvin says thanks and yes it's a '69 Charger. Thanks for commenting!

[@mrkeopele]

ooooh is that a dodge charger fender/bumper?

[@FirstTimersCycling]

Yes it is, a '69 Dodge Charger :-) Good eye! We haven't been working on it much but the project will be on our other channel. Here's a link to one video of it that we did. kzbin.info/www/bejne/e3e9eGuqlLx9jLM

[@ronsexton6829]

I got the 30H error right after overwriting the firmware, reconnecting the display, then turning it on. Powered up okay, 30H, turned itself off... Totally dead... Wouldn't power back on... Panicked for a minute.. Doing everything from the start a second time fixed it no problem. The only different thing that happened to me was that I could only pick 3.82V as the LVD detect level the first time, not 3.86V. The second time the 3.86V option showed up. Everybody with a 52V battery should do this. Without changing any settings but 28amp to 30 amp, top speed at lvl 9 throttle with wheel off the floor went from 44 mph to 61mph. 17 mph from just 2 amps? My old firmware must have been garbage. Thanks guys!!!

[@FirstTimersCycling]

I'm glad you were able to clear the 30H error! We got that error once but not with this firmware. We panicked as well lol 🤣

[@alisonclarke593]

my bikek not working now

[@FirstTimersCycling]

Sorry to hear! What have you tried and what is your setup?

[@gnormanhayes]

F man none of these programs work on my bike

[@FirstTimersCycling]

What's your setup? Did you buy the bike new with the Bafang on it or did you buy a bike and put the Bafang on it? 48V? 52V? What is your setup?

[@andr27]

guys, less BS please, more content

[@FirstTimersCycling]

Thanks for the feedback!

[@gnormanhayes]

Now my battery doesn't work Really should test this stuff out before you release a video

[@FirstTimersCycling]

We wouldn't have released the video if it failed. Why would we? We are just trying to share our experience and knowledge for other Bafang owners/enthusiasts. We gain nothing from doing this, just trying to be helpful and we're sorry it didn't work for you.

[@gnormanhayes]

Maybe you should take that other video down so nobody else fucks their motor up like I did.