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  1. C

    Ebike kit I can carry in airport and charge my Macbook

    Hello, I've decided to have a nomad life and move from countries to countries. I've gotten rid of most of my stuff but I still like to ebike. I'm packed super light. Just a cabin bag and a small bag to minimize airport cost. I'd like to get a kit I can carry with me in the airport AND that I...
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    Electric cargo bike - passenger carrying ebike - 60v40AH - 2KW (Repair) - London

    This is a highly powerful customised ebike. It has VARIABLE REGEN so you barely needs to use your brake, the motor does it for you. Same as for the Tesla cars, your brake pad will last forever because you won't use it much. It has peak power over 3KW and need someone who understand how ebike...
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    Capacitor spot welder

    Hello I'm about to buy this https://a.aliexpress.com/m2fhN9Au It apparently has enough power to spot weld 0.27mm nickel strip. Any thought? Sounds like a good find
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    Stackable power wall kit with 18650 on ebike

    hello Anyone used this for their ebike? https://s.click.aliexpress.com/e/AvtwcITKj I think it's possible to stack as many as needed but no idea on reliability on ebike with all vibration
  5. C

    Battery kit - Does it need spot welding?

    Hello, I'm not clear about this product: https://www.aliexpress.com/item/32838272069.html It looks like a kit I could assemble just with some screws. But the description says welding. I'm not sure if it's the english that is wrong, or if it needs to do spot welding on top of that? From what...
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    Most reliable Mid drive motor kit?

    Hello, I had very bad experience buying few years ago 2 BBS02 kit. They both failed. They can't handle high mileage. They need to be greased as well. I just can't be bothered to do any maintenance and decided to change to Direct drive. But I wonder if progress have been made? Ideally...
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    Pen size spot welder

    Hello I found this on aliexpress: https://s.click.aliexpress.com/e/lyOLfYBe What do I need to power it? Is it good?
  8. C

    Quality 60v inverter

    Hello I bought a little while ago an inverter for my 60v battery: https://www.aliexpress.com/item/MKP300-481R-best-power-inverters-pure-sine-wave-48v-300w-power-inverter-110v-inverter-made-in/32516571971.html But after few hours of used it failed and just show the fault light. Anyone...
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    Best way to repair my steel torque arm

    hello I have my bike with variable regen and needed a strong torque arm preventing any movement. I've used 2 mild steel torque arm of 8mm with 6mm stainless bolt and it lasted well for a year or so. But now it has split in half for one: And the stainless steel bolt split in 2 on the other...
  10. C

    Long scooter to go with someone and train

    Hello I'm thinking to get a stand up scooter for short distance and get on train. However, i'd like it to be long enough so that someone else can be on the stand up scooter. And lastly, i don't have time to do too much DIY. I'd like to easily find part for repair. Anything to recommend? Thanks
  11. C

    Ebike to tow a caravan?

    Hello I was wondering if an ebike could be used as a main way of living and transportation? Couldit be used to tow a few thousand kg caravan? It wouldn't need to move very fast, just a max speed of 30 mph would be enough to move from place to place. Anyone tried? How many watt motor would be...
  12. C

    Full suspension semi recumbent for long range

    I've finally completed my full suspension semi recumbent. Specs: - 48v40AH (15s14p ncr18650pf) - phaserunner - DD motor Before: https://www.dropbox.com/s/eraa4gvu4t798py/s-l1600.jpg?dl=0 After: https://www.dropbox.com/s/7w9x5nyeu4k7qod/IMG_20180826_203302.jpg?dl=0 I'll try the bike when it...
  13. C

    Anti-spark bms

    Hello I've seen Justin is selling for his ligo pack some very interesting features: - anti-spark. So no need to worry about connector damage - reverse polarity protection - short protection - Bluetooth integrated http://www.ebikes.ca/shop/electric-bicycle-parts/batteries/ligo-bulk-order.html#...
  14. C

    Show your drinking and eating setup

    Hello I realised that often I wanted a drink while cycling. Or maybe eat a little something. For very little weight added, I can now drink and drive: https://www.dropbox.com/s/h073lh1xr1dr6hv/IMG_20180615_161848.jpg?dl=0 https://www.dropbox.com/s/6tdwd76r9j0dc6s/IMG_20180615_161828.jpg?dl=0...
  15. C

    Voltmeter calibration

    Hello I bought this and it's quite nice: http://s.aliexpress.com/yiYfueqy However the power shown seems a bit out of whack. How can I calibrate voltage and ammeter correctly? Is there something I can buy to find out what the proper voltage and power usage of my set up is? Thanks
  16. C

    Spread aluminium frame to 150mm?

    Hello I'm considering getting a motor from QS that would be powerful enough to do 60km/h on 200kg load for start and stop traffic environment. It also has a casted wheel like this one...
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    Which motor don't have high pitch noise?

    Hello I'm now very fan of sine wave controller because it makes motor silent . I have now the phaserunner as well as the Kelly 7230s controller. I noticed on my leaf motor, it runs completely silent. But on another direct drive motor, there is an annoying high pitch noise on the phaserunner...
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    Secret bag in the bike

    Hello all I wanted to share one thing I've discovered I think would be useful. My bike looks like this: https://www.dropbox.com/s/rhcevmahfvg2xwt/MVIMG_20180530_180021.jpg?dl=0 When I go to work, or when I go out, it's parked outside in broad view of people. Lots of pick pocket. Lots of...
  19. C

    Best motor setting for cargo bike

    Hello Here is my full suspension cargo bike: https://www.dropbox.com/s/fj7f2z9jrhf2q3t/IMG_20180521_010859.jpg?dl=0 - It is used on big city with lots of start and stop. - It will have load between 100kg (just me) and 250kg (me + passengers and cargo) - It will need sometime to accelerate...
  20. C

    Regen torque arm

    I've finally made my torque arm for regen! Wait for the V2! ;)
  21. C

    What's wrong with my controller Kelly KLS7230S?

    Hello, I kept having the error 3 lights + 4 lights on the controller KLS7230S: https://www.youtube.com/watch?v=Ri7xZL0PhP0 The link to the controller is here: http://kellycontroller.com/kls7230s24v-72v300asinusoidal-brushless-motor-controller-p-1343.html According to the manual, it means "non...
  22. C

    Sparkle destroying my Powerpole 45A

    Hello, Tired of doing solding with my bullet connector, I've replaced all of them with Powerpole 45A ones. I thought that crimping is a much neater and time saver option. However, there is a sparkle everytime I connect them to my battery (60v), and after one month, a chunk of my connector was...
  23. C

    Would these moped tyres fit?

    hello, I'm planning to buy some moped tyres for my cargo bike. I've never had some, so I'm just doing some sanity check. 1. The bike is a 20" Cargo bike with a rear Leafmotor 1000W DD: 2. The rim is a BMX 40mm wide one...
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    2kw DD motor front on suspension fork?

    Hello, Any of you have tried to put a 2kw+ motor on a front suspension fork? I bought an ODK V3 frame, and if I put the motor on the back, there will be too much weight on the rear when I carry passengers. Having it on the front seems to be a better choice for weight distribution.I need...
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    Smart bms anyone tried?

    Is that good? http://s.aliexpress.com/BFVRnA3q I'd like to get one but I fear it may fail after few months... anyone tried?
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