Search results

  1. J

    dual voltage for more speed

    I've been running a bafang hub motor on 36v for a while now and it gives me reasonable low speed performance and tops out around 20mph which is ok but I would like a higher top speed. If I upgrade my battery to 48v this will give me a higher top speed but I think I'm right in saying this will...
  2. J

    Protecting battery from road shock and vibration

    I wanted to hear your views on how necessary you think it is to isolate a battery from the general road vibrations and shock you get from riding. Ie hitting a pothole hole or just a generally uneven surface. Obviously full suspension bikes and fat bikes would have most of this isolated but what...
  3. J

    LifePo4 ebike full build

    Building an E-bike is something I've wanted to do for a very long time and last year I finally got round to it, hopefully there is some value in here to anybody looking to do the same thing. In this write up I will cover pretty much my whole build and share my experience and hopefully inspires...
  4. J

    Spoke length help

    I need to fit a 26" rim to a rear bafang hub motor (RM G020.250.DC 10) it takes a cassette if it makes a difference. Ive rebuilt quite a few wheels before just measuring off old spokes but never had to calculate my own. Is there anything different to building a hub motor wheel? Would a 1...
  5. J

    Very odd lifepo4 behaviour

    Hi i have been building this battery over the last few weeks. Its a 12s 36v 15ah lifepo4 and so far its been testing perfecly fine. I have been getting 560wh at a 10a load. The bms is connected up properly now this is just an older photo. The over charge and balancing is working well. I went...
  6. J

    Sourcing LiFePO4 pack

    Hi i'm new here and have been wanting to build an ebike for a long time. I found a wheelset with a bafang 250w motor for a bargin price but i'm struggling to find a battery. I understand the weight penalty of LiFePO4 over Li-ion and i'm willing to accept the for the longer pack life and saftey...