🚲 Custom 3000W BMX E-Bike [45MPH!] - Part 1 - Frame Mods, Motor Mount, Controller and Battery Tray
Рет қаралды 83,341
Күн бұрынBuilding an insane (stupid!) custom DIY 3000W [3KW!] 45MPH BMX electric bike! In part 1 you'll see me complete just about all of the frame modifications to accept this large motor! I also made some room for the larger custom controller (50A!) and then had to come up with a way to mount the batteries above the top tube of the frame. This is only the 4th e bike I have made so far and I'm still learning a lot so I'll show you all of the mistakes I made along the way.
Fortunately this build went quite a bit smoother than the digi-camo e bike build, but there still were some hurdles to pass, but at least for this one the painting was a lot less complicated.
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⛧ \\ Table of Contents: \\ ⛧
00:00 - Intro
00:24 - BMX Parts
01:43 - Rear motor installation
06:31 - Brake removal + safety rant
07:59 - Fixing crank clearance + frame mods
09:17 - Battery tray [1]
10:08 - Controller mount
11:21 - Battery tray [2] + bag
13:05 - Next time / outro
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\\ BMX E-Bike [4.0] \\
I wasn't really planning on making another electric bike so quickly, but my coworker gave me this BMX bike so I figured I could turn it into a grocery getter to save from having to drive my car to the local store. I also wasn't planning on spending so much time on this build, but every time this happens I keep improving small things until the entire project has taken up so much time!
BMX bikes will always have a soft spot in my heart, growing up as a very young kid I used to rent "RAD" on VHS all the time, with 12 year old dreams of taking a young Aunt Becky to the prom where we would do freestyle tricks in the gym while 'Send Me An Angel' ( • Real Life - Send Me An... ) blasted over the PA - if you didn't grow up in the 80's you're sorely missing out!
This definitely isn't a guide, maybe something more to inspire you to create your own. However I will be making 'how to' and 'how to do' tutorials on how to make an ebike from start to finish in future videos.
\\ Parts \\
1. The frame
This is actually a cheap Walmart BMX bike, it only costs about $90-100 and it's actually not that bad at all. It has a cool front brake system that allows you to turn the bars all the way around without twisting up the brake cables! Nothing special here really, just a traditional steel frame.
2. The motor
I got this kit off AliExpress, it's a 72V 2000W motor kit. I really wanted an LCD display and the controller this kit came with did not have a display, so I asked the seller if I could get one that did have it, and they said they would make me a custom kit with a different (more powerful) controller that had a display. It did cost a little bit more, but it is totally worth it to me.
3. The controller
This is an upgraded 50A controller with a LCD (IPS) display, I believe the controller that came with this kit is only 30A or 40A, using this 50A controller pushes the output to a whopping 3500W!!!
4. The battery
I found this battery pack on eBay, I thought the packaging was the perfect dimensions for this frame as there is not a whole lot of room for almost any components given how tiny this frame is. I later realized that this 'pack' was actually just a series of 6 smaller packs, it does have 60A output, but had I know that this was configured this way, I probably would have went with a different pack as I did have to modify a lot of the wiring to make it cleaner and more robust.
⛧ \\ Full write-up with pics is on the main site: hightech-lowlife.github.io/pr...
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⛧ 2021 High Tech \\ Low Life | - Cyberpunk - Projects - DIY - Art - Tech - Modding - ⛧
@marthamryglod291 Жыл бұрын
If newspaper delivery was still a thing, this bike would have the kid rocking it.
@hightech-lowlife Жыл бұрын
It's still a thing! Only people use cars now and throw the papers from their cars instead.
@SKISMONE.666 2 жыл бұрын
Go 1980s. I was born 1970. Awesome video. Rad was mint.
@hightech-lowlife 2 жыл бұрын
80's and 90's were the best times to grow up in, sure I'm biased but the nostalgia is real 🙌
@emptyempty30 2 жыл бұрын
Yo dude its me!!!! I got the bike! I rip this thing at 33+ every single time I ride :D I am currently in the process of replacing the pedals with carbon fiber pegs, for a motorcycle style leg support. I don't even use the pedals! Thank you so much again!
@hightech-lowlife 2 жыл бұрын
Thanks man, I'm glad you're enjoying it 👍
@aaronkent76 2 жыл бұрын
Thank you for all the hard work, builds and videos are amzing
@hightech-lowlife 2 жыл бұрын
Thank you so much, I really appreciate that!
@julzhotti5466 2 ай бұрын
Thankyou for showing the process you went through every step of the way especially how to fit the back wheel on, your option was better than our original thought of cutting & welding a bigger one on. I was born in the 70's, I always loved bmx bikes, I was a tomboy as a teenager.
@hightech-lowlife 2 ай бұрын
Thank you! When I made this bike I didn't know how to weld yet, but you could do it that way for sure 👍 I was always into bikes since I was a kid as well 🍻
@julzhotti5466 2 ай бұрын
@@hightech-lowlife your video saved us creating more problems for ourselves, I knew the potential of cutting & welding wouldv been trial & error & we really didn't wanna do that. Plus you gave us other time saving idea's we never thought of aswel. I know for sure, you saved us a lot of time & potential grief. Sending many thanks from us in South Australia Very much appreciated
@hightech-lowlife 2 ай бұрын
@@julzhotti5466 Thank you so much! Hopefully you guys enjoy your e-bmx. Cheers from USA 🍻
@ryanmerrill8879 2 жыл бұрын
I always enjoy the video, they are fun builds.
@hightech-lowlife 2 жыл бұрын
Thank you so much, more to come in this series, it's a long road 🎃
@JorgeRodriguez-ei2gi Жыл бұрын
Very intrested on your bmx,we learn a lot ,i built a motorized BMX,now i enjoy your builts,thanks,keep sharing,Say hello,Joe.
@hightech-lowlife Жыл бұрын
Thanks so much man! Much appreciated!! 🍻
@ryanraeburn212 2 жыл бұрын
Starting to convert my bmx into a e-bike build as well, this video was very useful and enjoyed your style of problem solving and work ethic! :)
@hightech-lowlife 2 жыл бұрын
Awesome! I have a lot more videos on this build coming up! Thank you for the view and comment 🎃
@simonwilson1810 Жыл бұрын
Have you finished it? We should swap pics and see how they compare, mines just finished last week.
@pr1ns173 Жыл бұрын
@@simonwilson1810 can i see it?
@simonwilson1810 Жыл бұрын
@@pr1ns173 Sure... but I can't post it here. I should make a KZfaq video
@pr1ns173 Жыл бұрын
@@simonwilson1810 you can give me your insta or something, i will build also one
@bruzza3031 2 жыл бұрын
LOL the Jack didn't even go down far enough to hit the pedal I don't know why you did that but good job good dedication came out great
@hightech-lowlife 2 жыл бұрын
Thanks man, the jack actually helped a lot with spreading the dropouts!
@wolfcloud8735 2 жыл бұрын
Looks so badass its definitely wild man but worth it lots of people enjoy these bikes
@hightech-lowlife 2 жыл бұрын
Thanks so much man, I'll be doing another BMX build in the future too. One even wilder! 💥
@wolfcloud8735 2 жыл бұрын
@@hightech-lowlife oh really that's cool cant wait to see more vids
@hightech-lowlife 2 жыл бұрын
@@wolfcloud8735 Thank you! More to come!
@raymondsalazar2585 10 ай бұрын
Really liked the value for the money
@hightech-lowlife 10 ай бұрын
Thanks man! 🍻
@DeTscherni 13 күн бұрын
Absolut amazing bike! Nice Job💪 helps me a lot, thx
@hightech-lowlife 13 күн бұрын
Thanks man!
@DivineMisterAdVentures 2 жыл бұрын
You seem like a tall guy now - I want to see you riding that killer motor-with-appendages.
@hightech-lowlife 2 жыл бұрын
6', keep watching to the end 🙌
@Watchout5035. 2 жыл бұрын
I am just starting this same project as of a few days ago. I bought the E-Leaf brand 1500 watt rear hub kit. I won't have to stretch my tail end out but I really like your battery mount idea. I will probably do the same way. I think converting a bmx bike is a great idea
@hightech-lowlife 2 жыл бұрын
Awesome! I'm sure you'll have a lot of fun, 1500W is plenty for a BMX! Good luck with the build, it will be worth the effort!! Thank you!
@Mash3OH3 2 жыл бұрын
How fast do 1500w can go? I currently have a 1000w set up and can only go roughly 25 to 28 mph. Is that normal speeds?
@hightech-lowlife 2 жыл бұрын
@@Mash3OH3 Roughly: 1000W = 27mph 1500W = 34mph 3000W = 45mph 5000W = 54mph It will vary on a lot of things, but mostly weight (you and the bike), tire size/hardness. After 35-40mph you get diminishing returns for $$$ and power, you have to dramatically increase power to overcome wind resistance. That's why you need to basically 5x the power to roughly double the mph, and this exponent gets larger the faster you go. If you just want to have fun I don't see much of a point in going over 35mph, so 1500W to me is the perfect balance of price/performance, if you want to go faster you will have to pay a lot more. Price increase from 1000w to 1500w is about 20-$50, but price increase from 1500-3000 is about double the cost.
@bruzza3031 2 жыл бұрын
@@Mash3OH3 40somewhere around there
@bruzza3031 2 жыл бұрын
@@Mash3OH3 and that is the right speed for a thousand Watts about 28-30 mph depending on your weight
@derrickenbuenosaires 2 жыл бұрын
"BMX bike impractical" lol it's actually the only bike I ever see myself riding on. It's super maneuverable around traffic and easy to jump up curbs and stuff, plus it's a great work out. I see guys with the bigger bikes using some weird gear ratio where it looks like their going nowhere fast. Then again I've been riding since 12. 33 now.
@hightech-lowlife 2 жыл бұрын
I agree there are some niche aspects of a BMX bike that give it some advantages, mainly how compact they are. This was originally built as a small "grocery-getter" and for a quick ride and easy to store it really does the job well. Thanks man!
@floordoctor 2 жыл бұрын
@@hightech-lowlife Pretty cool.... for a bike that fast though....probably need to go up to a 24" ....... or dirt jumper would be cool too. It's just the weight, which ya have to get down to enjoy proper BMX functionality. The first person to get one down to 35 lbs or so with mostly titanium everywhere....winner winner! Cool build dude. Nice shout out to Rad...I worked on the movie ; )
@hightech-lowlife 2 жыл бұрын
@@floordoctor Yeah, as battery tech gets better the weight will just come down more and more - I just use it to cruise, but yes if you wanted it for actual BMX use it would be pretty heavy for that. Thanks man! That's awesome, RAD was one of my favorite movies growing up!
@bignbuilds3209 Жыл бұрын
watched the full build and good work.. my only constructive comment is invest in a riv nut insert tool.... you wont regret it. for adding a threaded insert into most applications this would be my tool of choice.. just built a 48v 20ah 1500w 26" mtb does 34mph out of the box and is so much fun. i need to document the build .. well done on your builds.. and keep them coming.. 😁
@hightech-lowlife Жыл бұрын
Thanks so much man! I didn't have a rivnut tool at that time when I made the video but I do now, I actually used it on one of my more recent builds on the channel 👍 That's awesome, I think 1500W is the best, because it's cheap, fast, and not too scary. You totally should put up a video on it, I'd check it out for sure! Thank you, I have a ton more builds on the way.
@SKISMONE.666 2 жыл бұрын
Like your ink. I got a right sleeve myself
@hightech-lowlife 2 жыл бұрын
Thanks man!!
@JKinLVN 10 ай бұрын
Fantastic video! I'm going to do it, but I am going to see if there is another place I can create a custom rack, similar to a rear rack to mount the battery. Thank you!
@hightech-lowlife 10 ай бұрын
Thanks for watching! Awesome, rear rack should be easy to implement 👍
@SKISMONE.666 2 жыл бұрын
I think your an artist, thus explaining your quest for "perfection".
@hightech-lowlife 2 жыл бұрын
Thanks man, much appreciated!
@amsyary1 2 жыл бұрын
your channel is underatted
@hightech-lowlife 2 жыл бұрын
Thank you so much! I am trying to make better and better content, I appreciate the feedback!
@amsyary1 2 жыл бұрын
@@hightech-lowlife maybe lil bit work on thumbnail, the ebike is not very visible :)
@hightech-lowlife 2 жыл бұрын
@@amsyary1 Thank you for the suggestion! I have about 5 or 6 more thumbnails in this series so I will have a variety to show, I also wonder if not giving away everything in the thumbnail is more or less enticing for people :) I don't think I have enough analytics yet to do experiments with any conclusions, I will keep trying things, thank you!
@TheMatixen 2 жыл бұрын
good job
@hightech-lowlife 2 жыл бұрын
Thank you so much!
@billmoody823 Жыл бұрын
Awesome
@hightech-lowlife Жыл бұрын
Thanks so much!
@MrJasenstewart97 Жыл бұрын
Id just use an ixf crankset so youd also have a nice sealed bearing crankset and they come with spacers so you can bring out the cranks and align the chain
@hightech-lowlife Жыл бұрын
Yes, swapping the crank would work, but this was free and easier 🍻
@g0th1cazn 10 ай бұрын
I would recommend a mid drive over the hub motor.
@hightech-lowlife 10 ай бұрын
Why is that?
@joseadames6598 Жыл бұрын
Nice
@hightech-lowlife Жыл бұрын
Thanks man!
@nobloxflux Жыл бұрын
The drop outs scare me lol
@hightech-lowlife Жыл бұрын
Afraid of them breaking? Nah BMX bikes are very strong 🍻
@arrab11 2 жыл бұрын
Great video. And an awesome new project. Don't make you projects simpler, we enjoy your struggles! Keep up the great work!
@hightech-lowlife 2 жыл бұрын
Thank you so much! I will keep going 🎃 I appreciate the feedback!
@frankroach9346 Жыл бұрын
I have a rad mini foldable I want a rigged frame this gave me a idea thanks for your video
@hightech-lowlife Жыл бұрын
Thanks man! totally do it!!
@drewskiakg2719 Жыл бұрын
Thanks for the video. I just purchased the lowest version of a lectric ebike. I know I'm going to be upgrading everything. I want to mod to a 72v battery pack and what kind of speed controller, and rear hub setup should I use (purchase). From what company? Thanks again for your vids. Real helpful!
@hightech-lowlife Жыл бұрын
Thanks man!! That's cool, I'm not too familiar with that bike, but upon looking it up, it looks like a more standard folder. The thing with these is that they have smaller wheels (20") but are also somewhat "fat-tire" (2.4") A lot of the kits and hubs I am familiar with fit more standard type bike frames (26" MTB, 20" BMX, etc...) so I don't know a lot of options for this type of bike frame that you have specifically, although I'm sure there are (or suppose likely there are). Most likely the stock hub motor can handle more than the factor controller and battery though, so you may want to try just upgrading those first, although if you're putting too much power it could cause issues, so it really depends. I would first think about why you're upgrading and what your goals of the upgrades are (specifically). Once you know that then you can figure out what you will need to fulfill those goals. Thank you!
@channghiem5012 Жыл бұрын
lol Aunt Becky!
@hightech-lowlife Жыл бұрын
If you've never seen that movie, it's wild. 👍
@vengellesenitsuga6362 Жыл бұрын
Thinking of doing that to my old bmx bike...
@hightech-lowlife Жыл бұрын
Do it! 🔥
@simonwilson1810 Жыл бұрын
I finished my bmx. Top speed 65kmh which is 40mph. Feels safe and only seems to need caliper brakes front and back. It's a lot of fun on the road because I am faster than regular cars considering traffic. I often pull away from red lights faster than cars and I must be getting comments I can't hear lol. Anyways it's great and worth the money. I think overall I put $2500 Canadian into it. 1500w rear motor with a large 52v 21hour Amp battery. Glad I bought the big battery.
@hightech-lowlife Жыл бұрын
That's awesome man! Oh yeah, all you really need is 1500W that's more than fast enough for sure. It's a lot of fun in a small package, I will be making a new EBMX soon, and going to try and stuff a 5KW motor on it 👍Thanks man!!
@memesyandhorrorshorts Жыл бұрын
What kind of mileage do u get on a single charge with your setup ? How far can u get and go back home?
@hightech-lowlife Жыл бұрын
@@memesyandhorrorshorts This got about 30-40 miles on a charge, depending on how you're riding it 👍I rode to work and back multiple times and that is a 25 mile trip, no problem.
@memesyandhorrorshorts Жыл бұрын
@@hightech-lowlife dammmmmmmm that's wayyyyy better than the electric scooter I had lol 😂 it was factory tho it got less than 5 miles but claimed 12miles
@hightech-lowlife Жыл бұрын
@@memesyandhorrorshorts My large bike with the giant battery gets over 80 miles, could maybe go 100 miles on a charge 😂It really just depends on how many amp hours your pack is vs how much energy you use 👍
@josephrogala6256 2 жыл бұрын
You could have took the crank off and threw a couple washer spacers on the side that wasnt clearing the frame.
@hightech-lowlife 2 жыл бұрын
It may be possible, but I'm not sure if you can shim this type of crank 👍
@harveynuqui8554 7 ай бұрын
RAD true BMX lover
@hightech-lowlife 7 ай бұрын
🤘🤘 !
@deleted203 2 жыл бұрын
I still got Rad recorded to VHS. My fav all time movie. I'm 35 and I've had that movie since I was like 5.
@hightech-lowlife 2 жыл бұрын
🤘Hell yeah! 🤘 - I never bought it although I should have, I did rent it about 1000+ times as a kid though
@sidrodie9368 11 ай бұрын
you should've use that sledgehammer on bmx frame instead to put a dent on the point where pedal rod was colliding. that dent would let pedal rod pass freely.
@hightech-lowlife 11 ай бұрын
I was trying to preserve the frame as best I could 👍 check the future episodes to see my solution, thanks!
@dapor4920 Жыл бұрын
i use threaded rivets for the battery packs
@hightech-lowlife Жыл бұрын
It's a good idea 👍
@floppydisk4500 2 жыл бұрын
My first ebike was a hub motor hooked to a BMX bike, little piece of sh!t could hit 35 miles an hour on the side of the highway. 25 to 30 going up the mountainside if I pedal with it. The thing was an absolute monster. Got hit commuting it to work when I moved up to Indy, rip be too the tiny g
@hightech-lowlife 2 жыл бұрын
That's awesome man, this is definitely one of the most fun builds I've made! Maybe someday you can make another 👍
@floppydisk4500 2 жыл бұрын
@@hightech-lowlife yeah I rebuilt it afterwards with a bike frame that I got from my boss, it's about 20 lb heavier and it's never felt quite like it, let alone coming off the line from stop, but I'm a little higher up off the ground so people tend to see me a little bit better. The top speed hasn't really changed but, the range tanked by about a couple of miles (14 to the 22-ish now)
@LordDirus007 Жыл бұрын
That's massive motor. Honestly sort of a waste to put it on such a plane Frame.
@hightech-lowlife Жыл бұрын
No way man, the next ebmx I will make (soon-ish) will be double this power, 6KW at least 👍
@maydaverave 2 жыл бұрын
Calling that bike bmx is a stretch lol. Also bmx bikes are awesome. the perfect suburban hooligan machine. I am currently turning my specialized p24 bmx bike into electric. I'm using the grin all axle hubmotor. It's a front hub but I'm mounting it on rear with 15mm by 110 mm axle option. My bmx rear dropouts are 14mm by 110 mm so hopefully only 1mm of modification necessary.
@hightech-lowlife 2 жыл бұрын
Thanks man! BMX bikes are super fun!! That should work easily. I originally was going to put a front hub on the rear for this build, but then there wouldn't be a way to mount a freewheel so the pedals would not work. I still wanted to pedal sometimes 👍Good luck man!
@jonbrooks4376 Жыл бұрын
Can I ask what kit you are using on your project? I'm thinking about converting my 20" and don't want to bend anything. 😅
@maydaverave Жыл бұрын
@@jonbrooks4376 I used the all axle motor from ebikes ca or grin tech. it's only a front motor so I can't use pedal since I put on rear. I had to grind a bit as axle was a bit thicker than 14 mm
@garyjohnson4575 Жыл бұрын
Just like SUV's....are they really sport/utility!? You can damage them pulling onto the shoulder!
@ogre2249 Жыл бұрын
OCD's are mofos, anin't they!! Great job
@hightech-lowlife Жыл бұрын
100% 👍 Thanks man, much appreciated!
@bruzza3031 2 жыл бұрын
I wonder how good those brakes work because I'm putting one on my back brake my kit would not fit on my old ebike
@hightech-lowlife 2 жыл бұрын
Everyone will tell you that they won't work at all and that "you're gonna die", but these types of brakes work just fine 👍
@jasonschwartz9481 2 жыл бұрын
I grew up riding motocross and BMX. With BMX I got to compete as a "pro" for a short while. Anyway, to this day I prefer BMX even on some mountain bike trails. At least the downhills lol. The uphills? I'm walking a ton lol. But, I may have to do something along these lines just for fun. The added weight, if I adjust with suspension, could actually help a little with control.
@hightech-lowlife 2 жыл бұрын
That's awesome man! Totally BMX does have its advantages, especially for trick riding as they are most maneuverable 👍 It's definitely one of the fun builds I've made, tons of power on a tiny frame.
@jasonschwartz9481 2 жыл бұрын
@@hightech-lowlife I think I'll need to lower the battery for weight distribution...especially for the mountainous trails here in south western PA. And, I'll 100% have to throw forks on...not too worried about the back suspension. But, I'm liking this particular rear hub drive. The mid-drives are tremendous, but in a BMX I'd be smashing it around way too much lol. Edit:. I know that doing a mountain bike would be more intelligent. But, I can't stand the way that they handle and how you sit...I never could.
@hightech-lowlife 2 жыл бұрын
@@jasonschwartz9481 Yes you could hang the battery from the bottom tube, as long as it doesn't interfere with the front tire 👍I personally like hub motors more than mid drives, but I will be doing another mid drive build somewhat soon as it's been a while since I've had one. I think mountain bikes should be better for downhill applications, but if you're more comfortable on a BMX then that's the best for you!
@jasonschwartz9481 2 жыл бұрын
@@hightech-lowlife mountain bikes definitely are, but if I can keep the weight lite enough than I just have more fun with BMX. I'm going to check out your edirtbike build too. After I do one of these I think that's my next project. I have 2 sons that are 11 and 13, and both ride moto. However, around this area there just aren't that many twinkle left where they won't call the police on dirtbikes. So, I was looking at the Sur-ron's and, Segways, and others. But, the only one that I'd feel comfortable spending money on for them is the X160, and it has no range. So, building one seems like the more economic way... Plus, I can start them out slower and upgrade over time.
@hightech-lowlife 2 жыл бұрын
@@jasonschwartz9481 Yeah that's true, I think you'd have more fun on the BMX anyway, thanks man! One advantage of the ebikes is they are very quiet so much less likely to piss off some neighbors 👍 The sur-rons (and styles like that) are cool, but are pretty pricey. I would go that route too just build something and upgrade over time, plus it might get your sons interested in the mechanical side of it which is always a plus for developing brains - figuring things out and problem solving, getting used to finding workarounds and solution to adversity, I think it's really good for humans!
@PerpetualMan22 Жыл бұрын
Tske the peddles off and slip pipes on the crank so you can torque it
@hightech-lowlife Жыл бұрын
I only needed a few mm's of clearance, I think in this video I show my fix 👍
@Fortuna_716 Жыл бұрын
Maybe drill the holes bigger and use threaded sleeves
@hightech-lowlife Жыл бұрын
Yes lots of better ways to do it, but I did end up finding a solution 👍
@bruzza3031 2 жыл бұрын
Definitely a road bike even though I see downhill riders go with no front shocks or rear
@hightech-lowlife 2 жыл бұрын
Yeah, suspensions are the best in my opinion though 👍
@42.J 2 ай бұрын
I'm 100% sure I am gonna do that thing you said not to do😂
@hightech-lowlife 2 ай бұрын
Most people do 😎
@42.J 2 ай бұрын
@@hightech-lowlife I've been looking for a wheel that fits so I don't have to, what is your opinion on front wheel motors?
@hightech-lowlife 2 ай бұрын
@@42.J I have one on one of my bikes and it works great. I did make my own torque arms to prevent damage however.
@jonbrooks4376 Жыл бұрын
Is there any kits will allow you to just slip the rear wheel on without modifications to the back of a 20" bike? My luck one side would be bent out farther then the other.
@hightech-lowlife Жыл бұрын
Not that I'm aware of any, BMX has 110mm dropouts, and most motor kits are 135mm. It's nearly impossible to align the bends perfectly, and you're only stretching 20mm, which is less than an inch, which is less than half an inch on each side, so it's a very small amount 👍Just go for it!
@ajlepka9753 2 жыл бұрын
Aye making things look nice ain’t bad brotja
@hightech-lowlife 2 жыл бұрын
Thanks so much!!
@donbatallones3152 Жыл бұрын
Wow nice work... What controler do you use sir?
@hightech-lowlife Жыл бұрын
Thanks man! For this build it was a 50A controller (upgraded) that came with the motor kit.
@matthewsouthwick5823 Жыл бұрын
Grinder. For the crank clearance.. Just a little bit
@hightech-lowlife Жыл бұрын
That's what I end up doing later on in the series 👍
@matthewsouthwick5823 Жыл бұрын
My dumb ass didnt finish the video to eventually see thats exactly what you did haha sorry
@hightech-lowlife Жыл бұрын
@@matthewsouthwick5823 It's all good man, I appreciate the comments regardless of the time when they're said 👍 I've actually gotten quite a few tips from people for other ways of doing things and I always keep them in my back pocket for later. Thanks!
@garyjohnson4575 Жыл бұрын
When will the first massive fire start. There's got to be a limit!
@hightech-lowlife Жыл бұрын
This is only V1, wait until I make V2 that will be double the power of this one 🍻
@JoaquinBeltran-pw4ei 2 ай бұрын
How did you get a single speed freewheel instead of the cassette ??? Or did you buy it separately?
@hightech-lowlife 2 ай бұрын
Most sellers will give you an option 👍You can always buy them separately if you have to though.
@charlieplatnum82 2 жыл бұрын
Cru Jooooooooonnneesssssss!!!!! lol
@hightech-lowlife 2 жыл бұрын
🤘🤘 Hell Track has nothing on me 💪
@Suprasicotte Жыл бұрын
Hello loves your videos, where did you get the bmx hub motor with one sprocket no cassette?
@hightech-lowlife Жыл бұрын
Thanks man! I got this one on aliexpress, if you check the comments I linked it many times before. But you should be able to put a freewheel (single sprocket) on any hub motor 👍 The threads are the same for cassette or single speed.
@Gutowski1944 2 жыл бұрын
How about starting with a bmx fat tire bike with disk brakes and getting a fat tire e bike conversion kit ?
@hightech-lowlife 2 жыл бұрын
Next BMX will have a full suspension, the thing with these newer fat tire bikes with all the goodies is they are quite pricey, I got this bike for free! I might try fabricating my own mods (fat tire accommodations + suspension + disks) for the next BMX iteration. Thanks for the feedback!
@2345bcde Жыл бұрын
Would a 3 piece crank give more clearance on the frame ?
@hightech-lowlife Жыл бұрын
Yes, there are a lot of solutions to this issue 👍
@user-gn4yi8ic5s 6 ай бұрын
Where do i get that set up like your one and the same back wheel like your one thanks m8
@hightech-lowlife 6 ай бұрын
www.aliexpress.us/item/3256802904722046.html
@popeye7833 2 жыл бұрын
Any link for the rear wheel engine with one sprocket only please
@hightech-lowlife 2 жыл бұрын
hightech-lowlife.github.io/projects/019_bmx_ebike/019_bmx_ebike
@gandalf_2170 2 жыл бұрын
Menggunakan jari jari berapa cm?
@pierrefitch Жыл бұрын
link to all stuff you bought to make this happen
@hightech-lowlife Жыл бұрын
hightech-lowlife.github.io/projects/019_bmx_ebike/019_bmx_ebike
@Spacecruizer203 2 жыл бұрын
dam i need that asap
@hightech-lowlife 2 жыл бұрын
Thanks man! Wait until you see it finished 🤘
@Spacecruizer203 2 жыл бұрын
@@hightech-lowlife i know u really put alot of heart in your builds all i did was a motorbike an it lasted 3months then the piston ring snapped
@hightech-lowlife 2 жыл бұрын
@@Spacecruizer203 Thanks man! It's still a lot more than a lot of people would do, you can always rebuild it!
@Spacecruizer203 Жыл бұрын
@@hightech-lowlife OK MAN U GOT IT 1oo% its watts im here 4
@hightech-lowlife Жыл бұрын
@@Spacecruizer203 Thanks so much man! 🍻
@nelsonlopez879 2 жыл бұрын
The best thing to do in this scenario is to install smaller chainring and cranks
@hightech-lowlife 2 жыл бұрын
I don't know if you can get much smaller 👍
@nelsonlopez879 2 жыл бұрын
@@hightech-lowlife yes get cranks from a smaller bike, like a 16 inch bike
@hightech-lowlife 2 жыл бұрын
I think for this application you'd actually want a larger chainring, the gearing on this is already very short due to the much larger freewheel from the hub, the freewheel that came with this bike was the smallest one I have ever seen and barely larger than the axle itself. As it is right now, pedaling is nearly useless as after you're going about 5mph your legs are moving too fast. I think going larger would be more comfortable and efficient as it would put you in the cruising speed of 15-20mph where you could still pedal at higher speeds, even with some assist from the throttle. It depends on what you're going for, but unless you're climbing steep hills, the way the gearing is right now, it's not very useful. Also having 3000W makes pedaling even more useless unless you really wanted to.
@nelsonlopez879 2 жыл бұрын
Got it. I had a similar project, i wanted to ride a 12 inch kids bike but the chainring was so small and couldn’t go fast, then i tried to put bigger chainring, i did but i had to bent the frame
@hightech-lowlife 2 жыл бұрын
@@nelsonlopez879 Yeah, I think you'd need a pretty big chainring for this bike to be fun to pedal, on my next BMX build I'll look into making it so you can pedal as well. Thanks!
@AlottaSkillz252 7 ай бұрын
How much was the motor kit with 20in wheel?
@hightech-lowlife 7 ай бұрын
www.aliexpress.us/item/3256802025658327.html
@billmoody823 Жыл бұрын
What kit is this? Got a link to them? I'd really like the controller.
@hightech-lowlife Жыл бұрын
www.aliexpress.us/item/2251832082112160.html you have to ask for the 50A controller though 👍
@billmoody823 Жыл бұрын
Thank you
@hightech-lowlife Жыл бұрын
@@billmoody823 No prob 🍻
@dtscustomzzz Жыл бұрын
I woulda just notched the petal arm smacked it and rewelded it boom
@dtscustomzzz Жыл бұрын
Or atleast cut it slightly and just bend it just a petal nothing structural
@dtscustomzzz Жыл бұрын
Omg was i so happy to see you grind that damn milimeters away fuck ya brotha
@hightech-lowlife Жыл бұрын
@@dtscustomzzz 🤘🤘 Thanks man!!
@trexes11 2 жыл бұрын
I love your videos 📹 I wonder if you can help me with a diy ebike
@hightech-lowlife 2 жыл бұрын
Thanks man! I may be able to if you just need some advice - what issue are you having right now?
@gandalf_2170 2 жыл бұрын
What fingers cm do you use?
@hightech-lowlife 2 жыл бұрын
Centimeters of what?
@ripp3rjak934 2 жыл бұрын
I was wondering…. Does more Watts on equal to more Top speed? Like would a 4800v 1500w have a higher top speed than a 1000w?
@hightech-lowlife 2 жыл бұрын
Without getting too complicated, yes for the most part. 👍 From my personal testing and experience (with all other things roughly equal): 1000W = 27mph 1500W = 34mph 3000W = 45mph 5000W = 54mph You'll see that the faster you want to go, the more power you require to gain even a little more top speed. Around the 40mph mark it's diminishing returns as wind resistance becomes the greatest factor to overcome. I'd say for 95% of people you can have a lot of fun for not much $$$ in the 1000 ~ 1500W range. 30mph on a 'bicycle' is extremely fast! The more power you want, your bike starts to get heavier, and a lot more expensive, usually have to upgrade to a 72v system, etc. I'll make a video on this subject of speed and watts and pricing, breaking down what I know. Thanks!
@ripp3rjak934 2 жыл бұрын
@@hightech-lowlife Well currently i have a 48v 1000w set up. It’s great so far. However im just on the ropes as to either get a 52v battery which can probably accommodate my 48v rear hub motor (my controller can support 52v) OR Get a 48v and 3000w or higher. Which would you recommend for more TOP speed. A new 52v 20ah battery? Or get a rear hub motor with higher Watts BUT only on 48v only. This is where im currently stuck deciding. My current battery is a 48v 19.2ah battery. Let me know no rush
@hightech-lowlife 2 жыл бұрын
@@ripp3rjak934 48 to 52v will not be a significant difference: kzfaq.info/get/bejne/nMWddtpmt9TLpYk.html When you say 'hub motor with higher watts' do you mean both the hub motor + controller, like a whole new kit? That would make more of a difference. If you're just upgrading the motor itself, probably won't see any difference if you're not changing the controller (which will allow more power). You can probably squeeze more power out of the motor you have, just by giving it more watts from a better/different controller or a battery that can deliver more amps. Usually you'll want to match the components you have, if you put on a more powerful motor you'll want a controller and battery that can feed it more power. How fast are you going right now and how fast would you like to go?
@ripp3rjak934 2 жыл бұрын
@@hightech-lowlife My controller is programmable from 36v to 72v. Basically it can accommodate any voltage of battery. So should I get a 52v 20ah battery? or should I just keep my current 48v 19.2ah battery and just replace my current 48v 1000w rear hub motor to a 48v 5000w Which one will give me more TOP speed. A battery change or a higher wattage motor.
@hightech-lowlife 2 жыл бұрын
@@ripp3rjak934 If it's programmable then I would try adjusting it to output more amps from the battery you have (unless you're already maxed out, then go for a battery that can discharge more amps). Going to 52V will give you roughly a 10% increase in power. Changing the motor won't make any difference if you can't deliver more power (amps) to it. Usually the motor rated power will just show you what it can handle from your battery and controller, it's not an indicator of what it will actually output, that comes from your battery and controller. That's why you usually want to upgrade all components together, as as they are dependent on one another. You won't gain any speed or power by increasing the motor alone, as all that is doing is allowing handling of a greater amount of power from your battery/controller. You can squeeze more power out of the motor you have by either getting a battery that can dump more amps, or adjusting your controller to do that. If you have a very powerful battery and controller but a smaller motor, you risk overloading/overheating it. If you have a smaller battery and controller but a huge motor it will only go as fast as you can deliver the power, so most of that will be a waste as you won't be using the potential plus it will weigh more and be more expensive. If you're trying to go faster for cheaper, then I would upgrade the battery or controller (or both) first (you say your controller is programmable, so I would just adjust that first, doesn't cost anything to program 👍). Once you've saturated what your motor can take, then upgrade the motor to the power level you're delivering. The takeaway is that all the components are interlinked, if you just upgrade one element in the drivetrain, most likely you'll just create a bottleneck.
@andykerr3803 4 ай бұрын
Never heeard of race BMX, huh? Removing a chain... Wow this guy is simple 😂
@hightech-lowlife 4 ай бұрын
You've never heard of racing BMX bikes before?
@andykerr3803 4 ай бұрын
@@hightech-lowlife Treat yourself to a new aluminum, XXXL, Canadian "Yess" World champion frame. Perhaps 2 wheel drive to 19 or 20 inch Creepy Crawler* tires from Maxxis. Source motors and controllers from Grin engineering... Also Canadian, like me 😊 High tech - yes lowlife - nyet Pay attention to proper braking and controls, it isn't that hard with all the options... Cheers 🍻 * or 2.4" Supermoto tires from Schalbe for speed. The Creepy Crawlers are for trials BMX... You know, those other ones, eh?
@bruzza3031 2 жыл бұрын
I would have just filed it I would not hit it with a hammer or just leave it after you pedal for a while it will just scrape it enough so it'll get by
@hightech-lowlife 2 жыл бұрын
Keep watching for the solution! 😂
@gievestal5314 7 ай бұрын
Where we can buy this accesorries
@hightech-lowlife 7 ай бұрын
What accessories are you referring to?
@smarc1325 2 жыл бұрын
Sooo.. what aboutBMX Bandits Bro ? 😅😃
@hightech-lowlife 2 жыл бұрын
Wow I've never heard of that one, I'll have to check it out, thanks!
@PerpetualMan22 Жыл бұрын
Or just remove the crank , and replace with foot pegs, a crank and chain is not really needed. I really wish you would have done some performance testing and documentation so people will understand how fast 3,000 watts will go
@hightech-lowlife Жыл бұрын
Oh I show the performance in the rest (end) of the series, this is only part 1 of 6 👍
@cotyhott3362 Жыл бұрын
If you sell this I would love to buy it by the way I’m a big fan
@hightech-lowlife Жыл бұрын
Thanks man! I actually sold this one a while back, but I will be making V2.0 (sometime soon) which will have double the power 🍻
@user-ml4vk6bz7f Ай бұрын
What kit did u use
@hightech-lowlife Ай бұрын
You can use this kit: www.aliexpress.us/item/3256802033522957.html
@sivodesilva9866 2 жыл бұрын
Remember me in 1980 trying to convert my sisters bicycle to a bmx..
@hightech-lowlife 2 жыл бұрын
🤘🤘 Awesome!!
@hoangvanthong8493 Жыл бұрын
product link please
@hightech-lowlife Жыл бұрын
hightech-lowlife.github.io/projects/019_bmx_ebike/019_bmx_ebike
@anilmitchell8313 Жыл бұрын
We're can i order one from
@hightech-lowlife Жыл бұрын
You can order the parts and build one? 👍
@anilmitchell8313 Жыл бұрын
Can u please send me a like cuz i Am getting trouble
@garyjohnson4575 Жыл бұрын
Heat it and bend it out a half inch...
@hightech-lowlife Жыл бұрын
That would work, but my solution also worked 👍
@soylentgreen9492 2 жыл бұрын
👻
@hightech-lowlife 2 жыл бұрын
👽🤖 ~ 👏💥🎃 ~ 👾
@soylentgreen9492 2 жыл бұрын
@@hightech-lowlife Nice Build.🤩
@hightech-lowlife 2 жыл бұрын
@@soylentgreen9492 Thanks man! Much appreciated 🤘
@richie8214 11 ай бұрын
Grind down where its touching on the pedal arm . Year late but still
@hightech-lowlife 11 ай бұрын
Check the rest of the series for my solution 👍
@luckydacosta549 Жыл бұрын
Modding the BB could save a lot of that time for crank clearance
@hightech-lowlife Жыл бұрын
I do a little mod on this later in the series 👍🍻
@lewis9616 2 жыл бұрын
This bike came with a one piece crank The solution would of been to change the crank system to a 3piece crank with a longer axle
@hightech-lowlife 2 жыл бұрын
What (problem) are you referring to?
@lewis9616 2 жыл бұрын
@@hightech-lowlife when the pedal arms would not move around freely
@hightech-lowlife 2 жыл бұрын
@@lewis9616 Ah yes, I think they also make spacers to extend the crank arms too! Thanks!
@lewis9616 2 жыл бұрын
@@hightech-lowlife there is no spacers for a one piece crank as it is made out of one solid peice of metal Love the build tho bud
@hightech-lowlife 2 жыл бұрын
@@lewis9616 Thanks man!!! I'm pretty sure I could fab some crank spacers, my angle grinder likes to take 1 piece and turn it into 2 pieces! hahaha 💥💥💥
@SKISMONE.666 2 жыл бұрын
What's the top speed?
@hightech-lowlife 2 жыл бұрын
45 for this one 👍
@SKISMONE.666 2 жыл бұрын
That's fast as hell. Does that turn it into a motorcycle or scooter classification?
@hightech-lowlife 2 жыл бұрын
@@SKISMONE.666 Thank man! Nah, it's just a bicycle, just happens to be very fast 😂
@sushuki4833 Жыл бұрын
U should put a 44 tooth sprocket up from since the rear is 16 tooth. For gearing if you have a 26 tooth sprocket u want a 9 tooth cassette and for a 36 tooth sprocket you want a 13 tooth freewheel and for 44 tooth u want 16 tooth freewheel.
@hightech-lowlife Жыл бұрын
When your bike goes 45MPH you don't ever need to pedal 👍 you can if you want, but for most of your riding the pedals are there to rest your feet, you'd need some crazy large sprocket to even have a high enough ratio to assist going 20+. Once the sprockets get so large they will look strange, and also possibly start to collide with other things (controller, etc).
@sushuki4833 Жыл бұрын
But without like cranks and stuff wouldn’t that just make it like a electric motorcycle by law tho?. Also would it be a good idea to hook up like 2 60 volt batteries on a bmx to jump it?. Also how fast would it go like 100mph or something lol
@hightech-lowlife Жыл бұрын
@@sushuki4833 Well, if you want to pedal any bike over 20/25 mph you're going to need something like a rohloff hub (very expensive), any normal bicycle setup is not going to be able to provide the ratio to even get up to speed to the bike, let alone surpass it enough to where your pedaling would even matter at all 👍 Doubling the voltage does not double the speed, plus you need a system (motor, controller, batteries) that are made for that voltage. Wind resistance becomes the biggest factor to overcome, after 40mph, the energy needed for even small increments of speed increase is exponential. That's why a 1000W motor can get you to 28mph, while a 12000W will get you around 60, that's 12x the power, for 2x the speed increase. The faster you got the more power you'd need for even small gains.
@NicoGBMX 4 ай бұрын
where u live if u dont mind me asking
@hightech-lowlife 4 ай бұрын
Left coast, why do you ask?
@NicoGBMX 4 ай бұрын
just wondering cause it looked a bit like australia where i live
@hightech-lowlife 4 ай бұрын
Cool, never been to Aus but it looks like a nice place! @@NicoGBMX
@Bobbybbops 2 жыл бұрын
Shorter cranks will do the trick. They make em small.
@hightech-lowlife 2 жыл бұрын
Yeah that would work too, faster to trim a couple mm's off with a grinder though 💪 and less expensive!
@kjm-ch7jc 2 жыл бұрын
There are a lot of dumb youngsters watching this and will end up getting hurt riding this Monstrosity after copying your video.
@hightech-lowlife 2 жыл бұрын
kzfaq.info/get/bejne/ldJ0ldhy0LLcgKs.html
@garyjohnson4575 Жыл бұрын
BMX bikes are only cool while doing tricks. No one looks cool on a tiny bike, with no skills.
@hightech-lowlife Жыл бұрын
Coolness is in the eye of the beholder 👽
@TheonlyNikolaiyouknow 3 ай бұрын
Okay this is the worst example of a bmx bike
@hightech-lowlife 3 ай бұрын
🤘hell yeah🤘
@DeeOutdoors33 2 ай бұрын
Sunday👍
@TheElvaguitO Жыл бұрын
La bateria lo tiene en la mochila
@hightech-lowlife Жыл бұрын
Yes, it's in the top battery bag 👍
@sushuki4833 Жыл бұрын
Can u rep;y to this comment and send all the links to everything on this to me plz. I wa t to do this so I can go ride some mtb trails on my bmx with this and send all the jumps with this lol
@hightech-lowlife Жыл бұрын
Thanks man, go here: hightech-lowlife.github.io/projects/019_bmx_ebike/019_bmx_ebike
@sushuki4833 Жыл бұрын
Thx for the link for everything but I already found a 50mph FULL complete e bike kit from the uk for like 840 bucks. So I’ll be getting that since it’s made for jumping and stuff and idk if that aliexoress stuff can handle such pressures of jumping lol. Gonna take it when it gets here once I buy it in like February and then like go to slaughter pen. I’ll also be getting a suspension fork for it as well lol.
@hightech-lowlife Жыл бұрын
@@sushuki4833 Well good luck man, I'd be skeptical of what components that bike is using as 99% all come from China (or AliExpress if you will). Hope it works out for you 🍻
High Tech \\ Low Life
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High Tech \\ Low Life
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