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  1. J

    rebuilding front wheel

    I looked for threads on this question and could find any. Looking for advice. The spokes on my front hub motor are beginning to break (third one in 6 months). I am happy replacing them since it is easy but I know that once they start to break they generally don't stop. Furthermore, I cannot true...
  2. J

    Which CA?

    I have the Aetoma 750 watt and stock Aetoma controller only suitable for 36volts I believe. I am finally breaking down and getting the Cycle Analyst. But I see there are more than one kind -stand alone and direct plug in. Below is a page from -I believe- the company that makes them...
  3. J

    kickstand

    I looked at past threads on this and couldn't find anything helpful. I am looking for a kickstand that will keep my bike from falling over and for ease of working on it. I am wondering if it is worthwhile getting the kind which slightly props the bike up. I want to order it at my local bike...
  4. J

    Testing for Amp Hours

    Thanks everyone for all of your input. In the next few days I plan to use my watt meter to do the test (probably hook up a small battery so that it doesn't shut off when the battery runs to empty). Since I suspect I'm discharging close to 80% daily (which is why I am doing this test), I will...
  5. J

    Testing for Amp Hours

    I want to find out how many amp hours my battery has so that I can assure myself that I am not discharging too much during my commute. I am concerned that my ebikekit 12v 10ah LiFePO4 may no longer have 10 amp hours in it any more. My round trip commute uses 7 to 7.5 amp hours. I know the...
  6. J

    Throttle

    Thanks everyone for your suggestions. I took the advice to make a half-twist from pvc pipe and to my surprise it held today's commute and I like it way better than my thumb throttle. A $3 solution.
  7. J

    Increasing Voltage

    I need help in understanding what happens if I upgrade from my 10ah 36v (lithium) pack to a 10ah 48v or even 60v pack. I am looking to get more duration without the extra cost (and weight?) of a 15ah pack. I am thinking if I keep to my current speed (22mph)- or even just a few mph faster, maybe...
  8. J

    Throttle

    My thumb throttle just snapped off. So I need to get a new throttle. What is the preference out there for throttle types: thumb or twist? Any vendors to recommend? My set-up is what is sold at High-Tech Bikes (the Aetoma motor kit with stock controller) although I didn't buy it directly from...
  9. J

    Spoke Size

    How can I find out the exact spoke size for my front hub Aetoma 750 watt 700c wheel? Specifically the length? One of mine broke.
  10. J

    Broken spoke

    I've got a broken spoke on an Aetoma front wheel (700c) hub motor. Is there anything about replacing one of these spokes that is different than replacing a spoke on a regular front wheel on a non-electric bike? Also, I need to buy a replacement spoke; would anyone know the exact size spoke that...
  11. J

    SLA recommendation needed

    Seems this week I have lots of questions as a result of my lithium breaking down. You guys have been very helpful. I now am inspired to get a back-up SLA pack. It would need to be able to get me to work (between 3-4 amp hours each way according to my wattmeter -charging at work and at home). My...
  12. J

    please help with electrical problem

    It definitely is the battery (since I connected my very old SLAs and they worked fine). I have help here in working on it. Thanks for all your help. But now I am considering a back up plan for riding now but also for when anything like this happens again in the future. I want to buy 3x12v8ah...
  13. J

    Positive or Negative Help!

    With a magnifying glass I was able to see ridges on one side of one of the wires in the plug and make the match that way. Thanks for your help!
  14. J

    Positive or Negative Help!

    No, I don't have a multimeter and no, there is no color differentiation. There is tiny lettering on one wire and not the other which I cannot read. Tomorrow I could bring it in to the local ebike shop and I'm sure they have a multimeter. I just wanted to find out today as I wanted to ride this...
  15. J

    Positive or Negative Help!

    I accidentally clipped the wires on my 36v sla charger before identifying which wire was + and which was -. Nothing on the back of the charger seems to be able to help ID which is which. How can I confirm? I do have one old 3x12v12ah -perhaps I could use that to help me find out, but wouldn't...
  16. J

    please help with electrical problem

    Now that you all suggest that it is the battery, I do plan on talking tomorrow with Jason at ebikekits -although I bought the battery used through this forum. I understand that it is still under warranty. But first I want to confirm that there is a problem with a battery. I am in Walnut Creek...
  17. J

    please help with electrical problem

    Thanks everyone. What a bummer if it is the battery, since it's only a few months old and it's an ebikekit 36v 10ah...which I understand is high quality. How can I determine if indeed the battery has the problem? I do have an electric bike shop very nearby (which is an ebikekit dealer, although...
  18. J

    please help with electrical problem

    When I turn on my battery (ebikekit 36v 10ah) and controller (not from ebikekits), the lights on my throttle flash on briefly and then off, lights on controller do the same. And I then have no power. I try again and sometimes lights will go on and I will have power. Recently, I've had to charge...
  19. J

    covering the battery and controller

    I have a ebikekit 10ah battery and controller mounted on my bike rack with the controller mounted sideways about 3 inches in front of the battery. I know I can get a waterproof plastic elastic covering that will fit over the battery but I really want a longer elastic covering to go over both the...
  20. J

    spokes breaking

    My bike is a Magnum Cityscape Urban LX (from Costco I think) and the spokes on my rear wheel (front hub motor) keep breaking. I had been riding with SLAs but now have a lithium pack. I think the 7 months of riding with SLAs has damaged the wheel and the spokes keep breaking now -even with the...
  21. J

    LiFePO4 versus SLAs

    I'm sure someone has addressed this but I did a search and couldn't find an answer to my specific question. I'm closer to giving up on SLAs and going to a LiFePO4. Especially since EV posted their sale for the Headway 36v10ah with rack. Tempting. I have ordered a Watt Meter to give me more info...
  22. J

    sla 3x12v12ah losing speed question

    I am not a technological person and know very little about batteries. (Although I do know that a lifepo4 would cost me between $500-$600 per month and last longer) After 3-4 months of use, 5 days per week, charging twice daily for a 7 mile one way commute, I am just now experiencing a decrease...
  23. J

    sla 3x12v12ah losing speed question

    I am not a technological person and know very little about batteries. (Although I do know that a lifepo4 would cost me between $500-$600 per month and last longer) After 3-4 months of use, 5 days per week, charging twice daily for a 7 mile one way commute, I am just now experiencing a decrease...
  24. J

    3x12v12ah losing speed question

    I am not a technological person and know very little about batteries. (Although I do know that a lifepo4 would cost me between $500-$600 per month and last longer) After 3-4 months of use, 5 days per week, charging twice daily for a 7 mile one way commute, I am just now experiencing a decrease...
  25. J

    sla question

    Which is best: One, to charge sla batteries twice a day (at work and upon returning home) or Two, to charge them once a day at home after each round trip to work. Brief background: currently I charge twice daily because I'm not sure my 3x12v 12ah will make the 14 mile round trip. But it's...
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