DIY 52V 1500W Ebike First Ride Gone Wrong (It Broke)
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- เผยแพร่เมื่อ 27 พ.ย. 2024
- I built a 52v 1500w 20ah electric bike using a bafang bbshd mid drive motor and a polygon siskiu d6 dual suspension mountain bike. In this video I took my freshly built ebike on its first test ride and had a ton of fun! Until it broke...
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I'm building one from scratch. My setup is a BBSHD 52v 21ah 1700w attached to a DH frame. It's currently in the workshop with the finishing touches being added to the actual bike. I'll get it in 3 more days. Can't wait, so exciting!
Regarding the voltage, it will read over 52v when fully charged. 52v is the nominal voltage. Each single lithium cell has a voltage range of 3v. - 4.2v max.
Just when you are getting comfortable and having fun, it breaks, what a bummer. It looked great while it lasted though. Pushing your bike home really sucks, but hey, at least it wasn't a 500 lb CB750 lol...
You knew you couldn't hit top gear bro, When I read at "1st ride it broke!!" I really thought it was the motor, thank goodness it wasn't.. Guess you could only be upset with ya self for not getting a new chain before the ride.. I get the excitement to try. Good video .. Lesson learnt ...
Yep the old walk back of shame. Had been there done that as broke my custom Bafang Ultra built on first ride due to chain ring and when chain pop took Derailer with it even though was correct size chain. I ended up upgrading whole gear set and now offset correct and nice and smooth shifting and haven’t broke a chain since. Frame heavy duty as custom frame welded due to motor had to custom fit and upgraded everything else while was at it. Probably best custom bike I build over the years.
Those Bafang motors are good but definitely need high quality frame and higher quality Group set and chain.
the voltage is correct, and it is the sign of a healthy battery pack. if you take a 12 volt car battery for an example, and charge it up, you will see the voltage is between 13 -14 voltage.
that goes for most battery's that the voltage should be taken loosly. if you have 4, 12 volt battery's in series and each of them are 2 volts over the rated voltage, you will have 56 volts.
Can’t wait for the next vid! What a torque monster.
I have built my ebike: 5000W QS 273 rear hub Motor, 200 amps controller, 84V 33ah battery, it is a beast of so much fun.
Gwen, what is your bike building background? What frame and fork did you choose? Does that bike pedal or just pegs? A beast for sure with 5K watts.
Wow, that must be insane to ride, I would love to see that bike. What type of bike is it?
It is an awesome video! However I do believe that you may need to look into getting peddle extenders. I recently changed my regular nice saddle seat for a longer and wider seat. It changed the front of my seat from two to four inches! So when I was riding, my knees were wider and my feet were hanging over the pedals by an inch! So my feet would struggle to stay the pedals on ruff terrain! So pedal extenders were exactly what I needed, they gave me an extra inch on both sides! Plus it aloud my knees to spread a little more apart with the second battery which is on the frame of my e bike!
Good idea in a way,upgrade your push bike to powered. The only downside is the frame everything is strengthen up.. Your push bike will be so frail and break a lot. 😊
I don't want to be 'That Guy' but before twatting about with the chain, ALWAYS turn off the battery first. That chain could rip your hand in half without skipping a beat just by accidentally touching the throttle.
How was your chainline with that Bafang front chainring? You'd get a better one with a Lekkie Blingring with an offset. Dial in the drivetrain perfectly at the shop before riding it and putting a load on it.
When you want to know the top speed, start of with the first gear, then change the gears until you reach the 11T gear. As for the chainring, attach a chain guide so the chain would fall off.
9:56 his brain turned back into a monkey brain
He did 😂
I would love this for mountain biking lol it would make the climbs up so easy!
Sick Ride! Make sure you begin accelerating in the correct gear or you will eat freehubs fast with that much power.
Definitely put on the shift sensor that will help make your hub last.
know your knees against the batt ;) strange biking if you need to open op your legs the hole time
If you want it to go faster use 26 or 27.5 on settings
get a gear sensor - reduces a lot of strain on the drivetrain by cutting the motor power when you're shifting
Loved this video keep it up!
Oof! Breaking the derailer, that's no fun haha
Hey don't feel to bad loo,s like a decent build you just had an oops. Me and amaewen hough a few derailers like that without electricity assist back in the day just from screwy landings or excessive force. Maybe look at an even longer chain and a chain tensioner mid way down the swing arm to help everything run a little smoother the module you have ordered will help im guessing as well
Too short of a chain killed the rear derailleur. Truthfully, he is very lucky...could have taken out the rear wheel, rear derailleur hanger and even break the rear triangle of the frame. Riders have been hurt as well doing this because of afore mentioned.
Sophomore mistake and bet he doesn't do it again. A clutch style rear derailleur works best for mid drive ebike applications.
Yeah, this is the one 😎
I'm building one of these as well
The full charge is abot right. On a 48v battery a full charge is 54.6
Amazing bike
thats cool
Thats why i have hub motor
May I have a link for Bafang BBSHD kit on Ebay?
Mud guard for trails?
bro really just said throttle only then yanked on that thing
Try a motorized 2 stroke bike. We have it everywhere in my country lol and in USA is super cheap if you buy from China
I built one of those when I was 13, it's one of the first videos on my channel. Check it out!
What makes an ebike 'socially acceptable' is you are able to ride fast without public scrunity. Any 2 stroke motorycle is loud. This is what makes ebikes better than mopeds. I built a stealthy 'roadbike' with dropbar and 28c tires with BBSHD and 52 volt battery. I can ride it anywhere including on the sidewalk. Nobody even knows unless I pass them or they see the battery. That is the advantage of an ebike. Its like a magic carpet ride. No noise. I have built many high power custom motorcycles. Can ride them on a MUP or get any contribution to fitness.
Can this kit be run with a smaller battery pack for those of us who want a more compact setup while sacrificing distance?
Yes definitely!
What is the top speed?
About 40 mph
I have parts lists with links to suppliers, I can help you build amazing ebikes.
I would love a parts list! Thank you!
@@GoldGuyRides Me too, please, Gwen!
you forgot to lock your door
The high-frequency motor whine in this vid is unbearable. Is it noticeable in person?
THATS WHAT THAT NOISE IS I THOUGHT I WAS GOIN CRAZY
a DIY e-bike is not realy made for offroad ;) sad you broke it
7:19 This is why EV's should have much smaller motors/batteries and have a transmission. EVs would be amazing. But everyone wants to follow Elons "transmission-less design" which sucks for anything other than a sports car.
That’s a weird ass motorcycle
You may also want to upgrade the torsion bar for the mid-mount. This is one I found quickly but I'm sure there are others around. california-ebike.com/shop/bsbf-1-bafang-stabilizer-bar-full-suspension-bike-bbs0102-bbshd/. With that amount of power you will need it for sure, the little ring thingy they give you in the kit just won't cope and the motor will work itself loose. I am Looking forward to seeing more testing, good job, man.