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  1. S

    Parts for rebuilding wheel

    Hi, I have been researching and trying to understand wheel technical specs figuring out what to buy in order to rebuild my wheel. I'd like to check if it makes sense what I decided to get, or if i am missing anything. Any reply appreciated! I`m based in the UK. I have a bms battery q11 48v kit...
  2. S

    Smoked BMSbattery motor

    Hey everyone, I'd like to ask for some help about my bike Last night I over exerted the motor.. Was going up a very big hill with a lot of weight and when the battery was almost empty I tried to squeeze the last bit from it. And then there was smoke. I got a bit confused where it came from but...
  3. S

    Spoke length help

    Hi I am a bit confused about how or what to buy to replace 2 spokes that broke on my ebike wheel. I got from bmsbattery the q11 48V1KW kit and 28inch wheel..which was assembled by them, and I measured the spokes and the length I managed to measure with my tape is 7.5inch or 19cm. But I'm not...
  4. S

    Q1148V1KW kit M14 nut thread type & torque arm placement

    Hi again, keep running into problems whilst trying to put together the kit I got from bmsbattery. I tried looking through the forums but couldn't figure it out, sorry if I'm asking really obvious things. Basically I have no idea how to know for sure what kind of thread the axel has. I have the...
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    Newbie bike build connectors advice

    Hi all! I'm trying to put together ebike bits I got from bmsbattery. Some wires don't seem to fit together, wonder if I could get some advice. I got this controller: https://bmsbattery.com/ebike-kit/721-s12sn-1000w-40a-torque-simulation-sine-wave-controller-ebike-kit.html And the wheel/motor...
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    Newbie help with choosing a kit

    Hey, I've been reading around and basically got 2 options on my mind.. Mainly because there are so many out there that it was overwhelming to figure out which ones are quality ones.. Basically my whole budget is around or less than 500 pounds. I live in the uk. I'd like 48v 1000w motor with...
  7. S

    Charging 12v SLA with Li-Ion charger?

    hey all, i`m sorry if this is a silly question but i tried searching and googling and i`m still a bit confused as it's been hard to find my specific situation basically i have a 12v 8aH SLA that im trying to use for an electric vehicle i`m playing with, but there's no charger. I`m not really...
  8. S

    Acid lead to Li-Ion

    Hello everyone! I`m looking for a bit of advice..I've tried searching the forums but I`m still a bit confused about my specific situation so thought it's good to ask. I have this old EASYMOUV EMC 102 electric bike from my friends' shed. It's meant to use 36v 10ah acid lead batteries but...
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    How to adapt motor to chain drive? Suggestions welcome!

    Hi, I hope its okay to ask this, i tried looking on the wiki and forums and didn't find anything that answered my question. Basically, I have a Kercher battery powered vacuum cleaner with a 25v motor which I've taken apart and want to try to make work on a folding bike. I'm a bit confused as to...
  10. S

    Razor E300 - Acid lead to LiPO

    Hey everyone. I'm new here and trying to read and learn about electronics recently and I will keep reading, still got a long way to go. I know very little about it at the moment. Anyway I`ve got a Razor E300 that I want to modify from acid lead to LiPo. I've found 2 threads already where...
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