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  1. bombadero

    Strange regen and PAS behavior after new T9 install

    Hello, I had an arc fault a few months ago that has taken a while to repair. I've recently replaced the torque sensor, an ERider T9N, and while my bike is mostly restored now, the regen, human watts and other metrics are diplaying outlandish numbers and I have to set the starting watts of my PAS...
  2. bombadero

    Short/arc fault in cold weather on XT-90

    Hey, I had a similar problem to one seen in a few other threads here on ES, but mine is slightly different, so wanted to get everyone's take on it. I have a dual-motor, dual-battery, wired in parallel setup with components purchased from Grin. The wiring setup is basically two Y-cables plugged...
  3. bombadero

    Can't keep air in DNM USD-6 Fat fork on DIY build

    Hi, put an inverted fork on a DIY build I'm working on, a DNM USD-6 Fat fork. I cannot keep air in the fork, it will lose all air within about 24 hours. I have replaced the valve core and lightly greased the lowers, which did not work. I'm unsure what else to do as there is scant information in...
  4. bombadero

    Bosch Powerpack 500 rebuild/replacement

    Hello, I recently noticed that the range on both of our e-bikes, a R&M Homage GT Nuvinci, and an HP Velotechnik Scorpion FS20 with Go SwissDrive system, have been greatly diminished and it looks like they are reaching end-of-life on both bikes. The R&M battery is at about 1/10th and the HPV...
  5. bombadero

    Fabricating an axle for a Go SwissDrive Bikebus hub motor?

    tl;dr: ISO of a shop to machine an axle for a Go SwissDrive Bikebus motor... I posted this on electricbikereview.com recently: Contacting GSD, their reply was that they won't sell me an axle. Someone on electricbikereview.com mentioned the possibility of having an axle machined, guessing it...
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